131117122 has 16 divisors (see below), whose sum is σ = 206294400. Its totient is φ = 62427888.

The previous prime is 131117113. The next prime is 131117153. The reversal of 131117122 is 221711131.

It is a self number, because there is not a number n which added to its sum of digits gives 131117122.

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, 15372 + ... + 22327.

It is an arithmetic number, because the mean of its divisors is an integer number (12893400).

Almost surely, 2^131117122 is an apocalyptic number.

131117122 is a deficient number, since it is larger than the sum of its proper divisors (75177278).

131117122 is a wasteful number, since it uses less digits than its factorization.

131117122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37785.

The product of its digits is 84, while the sum is 19.

The square root of 131117122 is about 11450.6384974813. The cubic root of 131117122 is about 508.0266199083.

Adding to 131117122 its reverse (221711131), we get a palindrome (352828253).

The spelling of 131117122 in words is "one hundred thirty-one million, one hundred seventeen thousand, one hundred twenty-two".