1155132 has 36 divisors (see below), whose sum is σ = 3186456. Its totient is φ = 349920.

The previous prime is 1155127. The next prime is 1155149. The reversal of 1155132 is 2315511.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1063 + ... + 1854.

2^1155132 is an apocalyptic number.

1155132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1155132 is an abundant number, since it is smaller than the sum of its proper divisors (2031324).

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

1155132 is a wasteful number, since it uses less digits than its factorization.

1155132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2938 (or 2933 counting only the distinct ones).

The product of its digits is 150, while the sum is 18.

The square root of 1155132 is about 1074.7706732136. The cubic root of 1155132 is about 104.9245716783.

The spelling of 1155132 in words is "one million, one hundred fifty-five thousand, one hundred thirty-two".