1151267904 has 84 divisors (see below), whose sum is σ = 3422166384. Its totient is φ = 383750784.

The previous prime is 1151267903. The next prime is 1151267927. The reversal of 1151267904 is 4097621511.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1151267903) 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 11 ways as a sum of consecutive naturals, for example, 21462 + ... + 52565.

It is an arithmetic number, because the mean of its divisors is an integer number (40740076).

Almost surely, 2^1151267904 is an apocalyptic number.

It is an amenable number.

1151267904 is an abundant number, since it is smaller than the sum of its proper divisors (2270898480).

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

1151267904 is an frugal number, since it uses more digits than its factorization.

1151267904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74054 (or 74032 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 1151267904 is about 33930.3389903490. The cubic root of 1151267904 is about 1048.0744464722.

The spelling of 1151267904 in words is "one billion, one hundred fifty-one million, two hundred sixty-seven thousand, nine hundred four".