131022122 has 64 divisors (see below), whose sum is σ = 259780608. Its totient is φ = 48048000.

The previous prime is 131022097. The next prime is 131022127. The reversal of 131022122 is 221220131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 131022097 and 131022106.

It is not an unprimeable number, because it can be changed into a prime (131022127) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 251222 + ... + 251742.

It is an arithmetic number, because the mean of its divisors is an integer number (4059072).

Almost surely, 2^131022122 is an apocalyptic number.

131022122 is a deficient number, since it is larger than the sum of its proper divisors (128758486).

131022122 is a wasteful number, since it uses less digits than its factorization.

131022122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 131022122 is about 11446.4895055209. The cubic root of 131022122 is about 507.9038945440.

Adding to 131022122 its reverse (221220131), we get a palindrome (352242253).

It can be divided in two parts, 1310 and 22122, that added together give a palindrome (23432).

The spelling of 131022122 in words is "one hundred thirty-one million, twenty-two thousand, one hundred twenty-two".