131237122 has 16 divisors (see below), whose sum is σ = 207100800. Its totient is φ = 62280400.

The previous prime is 131237111. The next prime is 131237131. The reversal of 131237122 is 221732131.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 131237093 and 131237102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15754 + ... + 22597.

It is an arithmetic number, because the mean of its divisors is an integer number (12943800).

Almost surely, 2^131237122 is an apocalyptic number.

131237122 is a deficient number, since it is larger than the sum of its proper divisors (75863678).

131237122 is a wasteful number, since it uses less digits than its factorization.

131237122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38441.

The product of its digits is 504, while the sum is 22.

The square root of 131237122 is about 11455.8771816042. The cubic root of 131237122 is about 508.1815567180.

Adding to 131237122 its reverse (221732131), we get a palindrome (352969253).

The spelling of 131237122 in words is "one hundred thirty-one million, two hundred thirty-seven thousand, one hundred twenty-two".