1122911904 has 24 divisors (see below), whose sum is σ = 2947644000. Its totient is φ = 374303936.

The previous prime is 1122911903. The next prime is 1122912031. The reversal of 1122911904 is 4091192211.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×1122911904² = 2521862288289810432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1122911903) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5848404 + ... + 5848595.

It is an arithmetic number, because the mean of its divisors is an integer number (122818500).

Almost surely, 2^1122911904 is an apocalyptic number.

It is an amenable number.

1122911904 is an abundant number, since it is smaller than the sum of its proper divisors (1824732096).

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

1122911904 is a wasteful number, since it uses less digits than its factorization.

1122911904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11697012 (or 11697004 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 30.

The square root of 1122911904 is about 33509.8777079237. The cubic root of 1122911904 is about 1039.3980441579.

The spelling of 1122911904 in words is "one billion, one hundred twenty-two million, nine hundred eleven thousand, nine hundred four".