122405351 has 2 divisors, whose sum is σ = 122405352. Its totient is φ = 122405350.

The previous prime is 122405341. The next prime is 122405363. The reversal of 122405351 is 153504221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122405351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122405341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61202675 + 61202676.

It is an arithmetic number, because the mean of its divisors is an integer number (61202676).

Almost surely, 2^122405351 is an apocalyptic number.

122405351 is a deficient number, since it is larger than the sum of its proper divisors (1).

122405351 is an equidigital number, since it uses as much as digits as its factorization.

122405351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 122405351 is about 11063.6951783751. The cubic root of 122405351 is about 496.5162513649.

Adding to 122405351 its reverse (153504221), we get a palindrome (275909572).

The spelling of 122405351 in words is "one hundred twenty-two million, four hundred five thousand, three hundred fifty-one".