1123661160 has 96 divisors (see below), whose sum is σ = 3787187040. Its totient is φ = 299640384.

The previous prime is 1123661141. The next prime is 1123661179. The reversal of 1123661160 is 611663211.

1123661160 is a `hidden beast` number, since 1 + 12 + 36 + 611 + 6 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (1123661141) and next prime (1123661179).

It is a super-2 number, since 2×1123661160² = 2525228804985091200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48082 + ... + 67521.

It is an arithmetic number, because the mean of its divisors is an integer number (39449865).

Almost surely, 2^1123661160 is an apocalyptic number.

1123661160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1123661160 is an abundant number, since it is smaller than the sum of its proper divisors (2663525880).

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

1123661160 is a wasteful number, since it uses less digits than its factorization.

1123661160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115629 (or 115613 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 1123661160 is about 33521.0554726429. The cubic root of 1123661160 is about 1039.6291700581.

It can be divided in two parts, 112366 and 1160, that added together give a triangular number (113526 = T₄₇₆).

The spelling of 1123661160 in words is "one billion, one hundred twenty-three million, six hundred sixty-one thousand, one hundred sixty".