131122132 has 6 divisors (see below), whose sum is σ = 229463738. Its totient is φ = 65561064.

The previous prime is 131122129. The next prime is 131122133. The reversal of 131122132 is 231221131.

It can be written as a sum of positive squares in only one way, i.e., 68459076 + 62663056 = 8274^2 + 7916^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131122133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16390263 + ... + 16390270.

Almost surely, 2^131122132 is an apocalyptic number.

It is an amenable number.

131122132 is a deficient number, since it is larger than the sum of its proper divisors (98341606).

131122132 is a wasteful number, since it uses less digits than its factorization.

131122132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32780537 (or 32780535 counting only the distinct ones).

The product of its digits is 72, while the sum is 16.

The square root of 131122132 is about 11450.8572604849. The cubic root of 131122132 is about 508.0330904107.

Adding to 131122132 its reverse (231221131), we get a palindrome (362343263).

The spelling of 131122132 in words is "one hundred thirty-one million, one hundred twenty-two thousand, one hundred thirty-two".