1122315256 has 64 divisors (see below), whose sum is σ = 2281881600. Its totient is φ = 515797632.

The previous prime is 1122315253. The next prime is 1122315277. The reversal of 1122315256 is 6525132211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1122315253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 906670 + ... + 907906.

It is an arithmetic number, because the mean of its divisors is an integer number (35654400).

Almost surely, 2^1122315256 is an apocalyptic number.

It is an amenable number.

1122315256 is an abundant number, since it is smaller than the sum of its proper divisors (1159566344).

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

1122315256 is a wasteful number, since it uses less digits than its factorization.

1122315256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1436 (or 1432 counting only the distinct ones).

The product of its digits is 3600, while the sum is 28.

The square root of 1122315256 is about 33500.9739559912. The cubic root of 1122315256 is about 1039.2139202944.

Adding to 1122315256 its reverse (6525132211), we get a palindrome (7647447467).

The spelling of 1122315256 in words is "one billion, one hundred twenty-two million, three hundred fifteen thousand, two hundred fifty-six".