122029631 has 2 divisors, whose sum is σ = 122029632. Its totient is φ = 122029630.

The previous prime is 122029619. The next prime is 122029637. The reversal of 122029631 is 136920221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122029631 - 2¹⁸ = 121767487 is a prime.

It is a super-2 number, since 2×122029631² = 29782461683992322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122029631.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122029637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61014815 + 61014816.

It is an arithmetic number, because the mean of its divisors is an integer number (61014816).

Almost surely, 2^122029631 is an apocalyptic number.

122029631 is a deficient number, since it is larger than the sum of its proper divisors (1).

122029631 is an equidigital number, since it uses as much as digits as its factorization.

122029631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 122029631 is about 11046.7022680979. The cubic root of 122029631 is about 496.0077161803.

Adding to 122029631 its reverse (136920221), we get a palindrome (258949852).

The spelling of 122029631 in words is "one hundred twenty-two million, twenty-nine thousand, six hundred thirty-one".