131427122 has 4 divisors (see below), whose sum is σ = 197140686. Its totient is φ = 65713560.

The previous prime is 131427113. The next prime is 131427167. The reversal of 131427122 is 221724131.

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., 127667401 + 3759721 = 11299^2 + 1939^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32856779 + ... + 32856782.

Almost surely, 2^131427122 is an apocalyptic number.

131427122 is a deficient number, since it is larger than the sum of its proper divisors (65713564).

131427122 is an equidigital number, since it uses as much as digits as its factorization.

131427122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65713563.

The product of its digits is 672, while the sum is 23.

The square root of 131427122 is about 11464.1668689879. The cubic root of 131427122 is about 508.4266802923.

The spelling of 131427122 in words is "one hundred thirty-one million, four hundred twenty-seven thousand, one hundred twenty-two".