1156160 has 28 divisors (see below), whose sum is σ = 2753868. Its totient is φ = 462336.

The previous prime is 1156157. The next prime is 1156171. The reversal of 1156160 is 616511.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 123904 + 1032256 = 352^2 + 1016^2 .

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a nialpdrome in base 8.

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, 1487 + ... + 2126.

2^1156160 is an apocalyptic number.

1156160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1156160 is an abundant number, since it is smaller than the sum of its proper divisors (1597708).

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

1156160 is an equidigital number, since it uses as much as digits as its factorization.

1156160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3630 (or 3620 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 1156160 is about 1075.2488084160. The cubic root of 1156160 is about 104.9556880293.

The spelling of 1156160 in words is "one million, one hundred fifty-six thousand, one hundred sixty".