131912122 has 8 divisors (see below), whose sum is σ = 197933076. Its totient is φ = 65934432.

The previous prime is 131912101. The next prime is 131912167. The reversal of 131912122 is 221219131.

It can be written as a sum of positive squares in 2 ways, for example, as 129982801 + 1929321 = 11401^2 + 1389^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 131912093 and 131912102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1633 + ... + 16324.

Almost surely, 2^131912122 is an apocalyptic number.

131912122 is a deficient number, since it is larger than the sum of its proper divisors (66020954).

131912122 is a wasteful number, since it uses less digits than its factorization.

131912122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21632.

The product of its digits is 216, while the sum is 22.

The square root of 131912122 is about 11485.3002572854. The cubic root of 131912122 is about 509.0513211157.

The spelling of 131912122 in words is "one hundred thirty-one million, nine hundred twelve thousand, one hundred twenty-two".