122028131 has 2 divisors, whose sum is σ = 122028132. Its totient is φ = 122028130.

The previous prime is 122028119. The next prime is 122028149. The reversal of 122028131 is 131820221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122028131 - 2²² = 117833827 is a prime.

It is a super-2 number, since 2×122028131² = 29781729510706322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122028161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61014065 + 61014066.

It is an arithmetic number, because the mean of its divisors is an integer number (61014066).

Almost surely, 2^122028131 is an apocalyptic number.

122028131 is a deficient number, since it is larger than the sum of its proper divisors (1).

122028131 is an equidigital number, since it uses as much as digits as its factorization.

122028131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 122028131 is about 11046.6343743242. The cubic root of 122028131 is about 496.0056838470.

Adding to 122028131 its reverse (131820221), we get a palindrome (253848352).

The spelling of 122028131 in words is "one hundred twenty-two million, twenty-eight thousand, one hundred thirty-one".