132131123 has 4 divisors (see below), whose sum is σ = 139903560. Its totient is φ = 124358688.

The previous prime is 132131119. The next prime is 132131137. The reversal of 132131123 is 321131231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 132131123 - 2² = 132131119 is a prime.

It is a super-2 number, since 2×132131123² = 34917267330482258, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 7772419 = 132131123 / (1 + 3 + 2 + 1 + 3 + 1 + 1 + 2 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (132131143) 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 3 ways as a sum of consecutive naturals, for example, 3886193 + ... + 3886226.

It is an arithmetic number, because the mean of its divisors is an integer number (34975890).

Almost surely, 2^132131123 is an apocalyptic number.

132131123 is a deficient number, since it is larger than the sum of its proper divisors (7772437).

132131123 is an equidigital number, since it uses as much as digits as its factorization.

132131123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7772436.

The product of its digits is 108, while the sum is 17.

The square root of 132131123 is about 11494.8302727792. The cubic root of 132131123 is about 509.3328749988.

Adding to 132131123 its product of digits (108), we get a palindrome (132131231).

Adding to 132131123 its reverse (321131231), we get a palindrome (453262354).

The spelling of 132131123 in words is "one hundred thirty-two million, one hundred thirty-one thousand, one hundred twenty-three".