122400351 has 12 divisors (see below), whose sum is σ = 178423960. Its totient is φ = 80850960.

The previous prime is 122400347. The next prime is 122400353. The reversal of 122400351 is 153004221.

It is not a de Polignac number, because 122400351 - 2² = 122400347 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122400353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61405 + ... + 63366.

Almost surely, 2^122400351 is an apocalyptic number.

122400351 is a deficient number, since it is larger than the sum of its proper divisors (56023609).

122400351 is a wasteful number, since it uses less digits than its factorization.

122400351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124886 (or 124883 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 122400351 is about 11063.4692117798. The cubic root of 122400351 is about 496.5094907262.

Adding to 122400351 its reverse (153004221), we get a palindrome (275404572).

The spelling of 122400351 in words is "one hundred twenty-two million, four hundred thousand, three hundred fifty-one".