132581124 has 60 divisors (see below), whose sum is σ = 373266124. Its totient is φ = 40792896.

The previous prime is 132581123. The next prime is 132581149. The reversal of 132581124 is 421185231.

It can be written as a sum of positive squares in 2 ways, for example, as 51581124 + 81000000 = 7182^2 + 9000^2 .

It is a super-2 number, since 2×132581124² = 35155508882206752, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (132581123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11527 + ... + 19950.

Almost surely, 2^132581124 is an apocalyptic number.

It is an amenable number.

132581124 is an abundant number, since it is smaller than the sum of its proper divisors (240685000).

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

132581124 is a wasteful number, since it uses less digits than its factorization.

132581124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31506 (or 31495 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 132581124 is about 11514.3876954009. The cubic root of 132581124 is about 509.9104340984.

The spelling of 132581124 in words is "one hundred thirty-two million, five hundred eighty-one thousand, one hundred twenty-four".