122136402 has 16 divisors (see below), whose sum is σ = 244915200. Its totient is φ = 40605072.

The previous prime is 122136379. The next prime is 122136403. The reversal of 122136402 is 204631221.

It is not an unprimeable number, because it can be changed into a prime (122136403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24277 + ... + 28872.

It is an arithmetic number, because the mean of its divisors is an integer number (15307200).

Almost surely, 2^122136402 is an apocalyptic number.

122136402 is an abundant number, since it is smaller than the sum of its proper divisors (122778798).

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

122136402 is a wasteful number, since it uses less digits than its factorization.

122136402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53537.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 122136402 is about 11051.5339206827. The cubic root of 122136402 is about 496.1523362511.

Adding to 122136402 its reverse (204631221), we get a palindrome (326767623).

The spelling of 122136402 in words is "one hundred twenty-two million, one hundred thirty-six thousand, four hundred two".