1078243964 has 48 divisors (see below), whose sum is σ = 2184838656. Its totient is φ = 456062400.

The previous prime is 1078243913. The next prime is 1078243987. The reversal of 1078243964 is 4693428701.

1078243964 = 11606² + 11607² + ... + 11613².

It is a super-2 number, since 2×1078243964² = 2325220091804866592, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1329119 + ... + 1329929.

It is an arithmetic number, because the mean of its divisors is an integer number (45517472).

Almost surely, 2^1078243964 is an apocalyptic number.

1078243964 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1078243964 is an abundant number, since it is smaller than the sum of its proper divisors (1106594692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1078243964 is a wasteful number, since it uses less digits than its factorization.

1078243964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386 (or 1384 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 1078243964 is about 32836.6253442707. The cubic root of 1078243964 is about 1025.4291961062.

The spelling of 1078243964 in words is "one billion, seventy-eight million, two hundred forty-three thousand, nine hundred sixty-four".