122402072 has 16 divisors (see below), whose sum is σ = 247158240. Its totient is φ = 56493216.

The previous prime is 122402039. The next prime is 122402081. The reversal of 122402072 is 270204221.

It is a happy number.

It is a congruent 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, 588368 + ... + 588575.

It is an arithmetic number, because the mean of its divisors is an integer number (15447390).

Almost surely, 2^122402072 is an apocalyptic number.

It is an amenable number.

122402072 is an abundant number, since it is smaller than the sum of its proper divisors (124756168).

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

122402072 is a wasteful number, since it uses less digits than its factorization.

122402072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176962 (or 1176958 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 122402072 is about 11063.5469900028. The cubic root of 122402072 is about 496.5118177589.

Adding to 122402072 its reverse (270204221), we get a palindrome (392606293).

The spelling of 122402072 in words is "one hundred twenty-two million, four hundred two thousand, seventy-two".