1155672 has 48 divisors (see below), whose sum is σ = 3578640. Its totient is φ = 330048.

The previous prime is 1155659. The next prime is 1155689. The reversal of 1155672 is 2765511.

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, 643 + ... + 1650.

It is an arithmetic number, because the mean of its divisors is an integer number (74555).

2^1155672 is an apocalyptic number.

1155672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1155672 is an abundant number, since it is smaller than the sum of its proper divisors (2422968).

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

1155672 is a wasteful number, since it uses less digits than its factorization.

1155672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2312 (or 2305 counting only the distinct ones).

The product of its digits is 2100, while the sum is 27.

The square root of 1155672 is about 1075.0218602429. The cubic root of 1155672 is about 104.9409191439.

It can be divided in two parts, 11556 and 72, that added together give a triangular number (11628 = T₁₅₂).

The spelling of 1155672 in words is "one million, one hundred fifty-five thousand, six hundred seventy-two".