1155922372 has 12 divisors (see below), whose sum is σ = 2206760976. Its totient is φ = 525419240.

The previous prime is 1155922357. The next prime is 1155922373. The reversal of 1155922372 is 2732295511.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1155922373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13135438 + ... + 13135525.

It is an arithmetic number, because the mean of its divisors is an integer number (183896748).

Almost surely, 2^1155922372 is an apocalyptic number.

It is an amenable number.

1155922372 is a deficient number, since it is larger than the sum of its proper divisors (1050838604).

1155922372 is a wasteful number, since it uses less digits than its factorization.

1155922372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26270978 (or 26270976 counting only the distinct ones).

The product of its digits is 37800, while the sum is 37.

The square root of 1155922372 is about 33998.8583925990. The cubic root of 1155922372 is about 1049.4849694872.

The spelling of 1155922372 in words is "one billion, one hundred fifty-five million, nine hundred twenty-two thousand, three hundred seventy-two".