131244122 has 16 divisors (see below), whose sum is σ = 200448000. Its totient is φ = 64437360.

The previous prime is 131244119. The next prime is 131244133. The reversal of 131244122 is 221442131.

It is a junction number, because it is equal to n+sod(n) for n = 131244094 and 131244103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28004 + ... + 32352.

It is an arithmetic number, because the mean of its divisors is an integer number (12528000).

Almost surely, 2^131244122 is an apocalyptic number.

131244122 is a deficient number, since it is larger than the sum of its proper divisors (69203878).

131244122 is a wasteful number, since it uses less digits than its factorization.

131244122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4621.

The product of its digits is 384, while the sum is 20.

The square root of 131244122 is about 11456.1826975655. The cubic root of 131244122 is about 508.1905917827.

Adding to 131244122 its reverse (221442131), we get a palindrome (352686253).

The spelling of 131244122 in words is "one hundred thirty-one million, two hundred forty-four thousand, one hundred twenty-two".