1157568 has 28 divisors (see below), whose sum is σ = 3063240. Its totient is φ = 385792.

The previous prime is 1157557. The next prime is 1157579. The reversal of 1157568 is 8657511.

It is an interprime number because it is at equal distance from previous prime (1157557) and next prime (1157579).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2823 + ... + 3206.

2^1157568 is an apocalyptic number.

It is an amenable number.

1157568 is an abundant number, since it is smaller than the sum of its proper divisors (1905672).

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

1157568 is an equidigital number, since it uses as much as digits as its factorization.

1157568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6044 (or 6034 counting only the distinct ones).

The product of its digits is 8400, while the sum is 33.

The square root of 1157568 is about 1075.9033413834. The cubic root of 1157568 is about 104.9982766157.

The spelling of 1157568 in words is "one million, one hundred fifty-seven thousand, five hundred sixty-eight".