1150512157 has 8 divisors (see below), whose sum is σ = 1194823800. Its totient is φ = 1106509824.

The previous prime is 1150512131. The next prime is 1150512161. The reversal of 1150512157 is 7512150511.

It can be written as a sum of positive squares in 4 ways, for example, as 398162116 + 752350041 = 19954^2 + 27429^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1150512157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150512127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69732 + ... + 84637.

It is an arithmetic number, because the mean of its divisors is an integer number (149352975).

Almost surely, 2^1150512157 is an apocalyptic number.

It is an amenable number.

1150512157 is a deficient number, since it is larger than the sum of its proper divisors (44311643).

1150512157 is a wasteful number, since it uses less digits than its factorization.

1150512157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154655.

The product of its (nonzero) digits is 1750, while the sum is 28.

The square root of 1150512157 is about 33919.2004180523. The cubic root of 1150512157 is about 1047.8450609693.

Adding to 1150512157 its reverse (7512150511), we get a palindrome (8662662668).

The spelling of 1150512157 in words is "one billion, one hundred fifty million, five hundred twelve thousand, one hundred fifty-seven".