1157095172 has 12 divisors (see below), whose sum is σ = 2028978000. Its totient is φ = 577387176.

The previous prime is 1157095169. The next prime is 1157095183. The reversal of 1157095172 is 2715907511.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287858 + ... + 291849.

It is an arithmetic number, because the mean of its divisors is an integer number (169081500).

Almost surely, 2^1157095172 is an apocalyptic number.

It is an amenable number.

1157095172 is a deficient number, since it is larger than the sum of its proper divisors (871882828).

1157095172 is a wasteful number, since it uses less digits than its factorization.

1157095172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580210 (or 580208 counting only the distinct ones).

The product of its (nonzero) digits is 22050, while the sum is 38.

The square root of 1157095172 is about 34016.1016578914. The cubic root of 1157095172 is about 1049.8397856834.

The spelling of 1157095172 in words is "one billion, one hundred fifty-seven million, ninety-five thousand, one hundred seventy-two".