122100402 has 8 divisors (see below), whose sum is σ = 244200816. Its totient is φ = 40700132.

The previous prime is 122100397. The next prime is 122100427. The reversal of 122100402 is 204001221.

It is a sphenic number, since it is the product of 3 distinct primes.

122100402 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10175028 + ... + 10175039.

It is an arithmetic number, because the mean of its divisors is an integer number (30525102).

Almost surely, 2^122100402 is an apocalyptic number.

122100402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122100402 is a wasteful number, since it uses less digits than its factorization.

122100402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20350072.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 122100402 is about 11049.9050674655. The cubic root of 122100402 is about 496.1035840936.

Adding to 122100402 its reverse (204001221), we get a palindrome (326101623).

The spelling of 122100402 in words is "one hundred twenty-two million, one hundred thousand, four hundred two".