1000122465 has 16 divisors (see below), whose sum is σ = 1651815936. Its totient is φ = 516192000.

The previous prime is 1000122457. The next prime is 1000122479. The reversal of 1000122465 is 5642210001.

1000122465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1000122465 - 2³ = 1000122457 is a prime.

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, 1074936 + ... + 1075865.

It is an arithmetic number, because the mean of its divisors is an integer number (103238496).

Almost surely, 2^1000122465 is an apocalyptic number.

1000122465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1000122465 is a deficient number, since it is larger than the sum of its proper divisors (651693471).

1000122465 is a wasteful number, since it uses less digits than its factorization.

1000122465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2150840.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1000122465 is about 31624.7128840722. The cubic root of 1000122465 is about 1000.0408200004.

Adding to 1000122465 its reverse (5642210001), we get a palindrome (6642332466).

The spelling of 1000122465 in words is "one billion, one hundred twenty-two thousand, four hundred sixty-five".