1157056208 has 90 divisors (see below), whose sum is σ = 2866664178. Its totient is φ = 450764160.

The previous prime is 1157056189. The next prime is 1157056213. The reversal of 1157056208 is 8026507511.

It can be written as a sum of positive squares in only one way, i.e., 1065891904 + 91164304 = 32648^2 + 9548^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 88766 + ... + 100962.

Almost surely, 2^1157056208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1157056208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1433332089).

1157056208 is an abundant number, since it is smaller than the sum of its proper divisors (1709607970).

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

1157056208 is a wasteful number, since it uses less digits than its factorization.

1157056208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12241 (or 12217 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 35.

The square root of 1157056208 is about 34015.5289243016. The cubic root of 1157056208 is about 1049.8280014564.

The spelling of 1157056208 in words is "one billion, one hundred fifty-seven million, fifty-six thousand, two hundred eight".