1155572 has 12 divisors (see below), whose sum is σ = 2206176. Its totient is φ = 525240.

The previous prime is 1155569. The next prime is 1155577. The reversal of 1155572 is 2755511.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155577) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13088 + ... + 13175.

It is an arithmetic number, because the mean of its divisors is an integer number (183848).

2^1155572 is an apocalyptic number.

It is an amenable number.

1155572 is a deficient number, since it is larger than the sum of its proper divisors (1050604).

1155572 is a wasteful number, since it uses less digits than its factorization.

1155572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26278 (or 26276 counting only the distinct ones).

The product of its digits is 1750, while the sum is 26.

The square root of 1155572 is about 1074.9753485546. The cubic root of 1155572 is about 104.9378922197.

The spelling of 1155572 in words is "one million, one hundred fifty-five thousand, five hundred seventy-two".