122442131 has 6 divisors (see below), whose sum is σ = 142432740. Its totient is φ = 104950356.

The previous prime is 122442119. The next prime is 122442193. The reversal of 122442131 is 131244221.

It is a de Polignac number, because none of the positive numbers 2^k-122442131 is a prime.

It is a super-2 number, since 2×122442131² = 29984150887642322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122442101) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 1249361 + ... + 1249458.

It is an arithmetic number, because the mean of its divisors is an integer number (23738790).

Almost surely, 2^122442131 is an apocalyptic number.

122442131 is a deficient number, since it is larger than the sum of its proper divisors (19990609).

122442131 is an equidigital number, since it uses as much as digits as its factorization.

122442131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2498833 (or 2498826 counting only the distinct ones).

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

The square root of 122442131 is about 11065.3572468312. The cubic root of 122442131 is about 496.5659769660.

Adding to 122442131 its reverse (131244221), we get a palindrome (253686352).

The spelling of 122442131 in words is "one hundred twenty-two million, four hundred forty-two thousand, one hundred thirty-one".