131255122 has 4 divisors (see below), whose sum is σ = 196882686. Its totient is φ = 65627560.

The previous prime is 131255119. The next prime is 131255149. The reversal of 131255122 is 221552131.

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

It can be written as a sum of positive squares in only one way, i.e., 85544001 + 45711121 = 9249^2 + 6761^2 .

It is a junction number, because it is equal to n+sod(n) for n = 131255093 and 131255102.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32813779 + ... + 32813782.

Almost surely, 2^131255122 is an apocalyptic number.

131255122 is a deficient number, since it is larger than the sum of its proper divisors (65627564).

131255122 is an equidigital number, since it uses as much as digits as its factorization.

131255122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65627563.

The product of its digits is 600, while the sum is 22.

The square root of 131255122 is about 11456.6627776155. The cubic root of 131255122 is about 508.2047890924.

The spelling of 131255122 in words is "one hundred thirty-one million, two hundred fifty-five thousand, one hundred twenty-two".