1078243965 has 24 divisors (see below), whose sum is σ = 1869892128. Its totient is φ = 574775520.

The previous prime is 1078243913. The next prime is 1078243987. The reversal of 1078243965 is 5693428701.

1078243965 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1078243965 - 2⁸ = 1078243709 is a prime.

It is a super-2 number, since 2×1078243965² = 2325220096117842450, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

1078243965 is strictly pandigital in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 1078243965.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 109162 + ... + 118628.

It is an arithmetic number, because the mean of its divisors is an integer number (77912172).

It is a 2-persistent number, because it is pandigital, and so is 2⋅1078243965 = 2156487930, but 3⋅1078243965 = 3234731895 is not.

It is a vampire number, since it can be written as 28401 ⋅ 37965 (with its own digits).

Almost surely, 2^1078243965 is an apocalyptic number.

1078243965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1078243965 is a deficient number, since it is larger than the sum of its proper divisors (791648163).

1078243965 is a wasteful number, since it uses less digits than its factorization.

1078243965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12009 (or 12006 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 1078243965 is about 32836.6253594976. The cubic root of 1078243965 is about 1025.4291964232.

The spelling of 1078243965 in words is "one billion, seventy-eight million, two hundred forty-three thousand, nine hundred sixty-five".