1137552252 has 12 divisors (see below), whose sum is σ = 2654288616. Its totient is φ = 379184080.

The previous prime is 1137552181. The next prime is 1137552253. The reversal of 1137552252 is 2522557311.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1137552253) 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, 47397999 + ... + 47398022.

It is an arithmetic number, because the mean of its divisors is an integer number (221190718).

Almost surely, 2^1137552252 is an apocalyptic number.

1137552252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1137552252 is an abundant number, since it is smaller than the sum of its proper divisors (1516736364).

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

1137552252 is a wasteful number, since it uses less digits than its factorization.

1137552252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94796028 (or 94796026 counting only the distinct ones).

The product of its digits is 21000, while the sum is 33.

The square root of 1137552252 is about 33727.6185343703. The cubic root of 1137552252 is about 1043.8957229124.

The spelling of 1137552252 in words is "one billion, one hundred thirty-seven million, five hundred fifty-two thousand, two hundred fifty-two".