1154872072 has 16 divisors (see below), whose sum is σ = 2166921900. Its totient is φ = 577026240.

The previous prime is 1154872039. The next prime is 1154872073. The reversal of 1154872072 is 2702784511.

It can be written as a sum of positive squares in 2 ways, for example, as 778744836 + 376127236 = 27906^2 + 19394^2 .

It is not an unprimeable number, because it can be changed into a prime (1154872073) 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, 39079 + ... + 61942.

Almost surely, 2^1154872072 is an apocalyptic number.

It is an amenable number.

1154872072 is a deficient number, since it is larger than the sum of its proper divisors (1012049828).

1154872072 is a wasteful number, since it uses less digits than its factorization.

1154872072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102456 (or 102452 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 37.

The square root of 1154872072 is about 33983.4087754598. The cubic root of 1154872072 is about 1049.1670103952.

The spelling of 1154872072 in words is "one billion, one hundred fifty-four million, eight hundred seventy-two thousand, seventy-two".