122652636 has 12 divisors (see below), whose sum is σ = 286189512. Its totient is φ = 40884208.

The previous prime is 122652631. The next prime is 122652697. The reversal of 122652636 is 636256221.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 122652597 and 122652606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122652631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5110515 + ... + 5110538.

It is an arithmetic number, because the mean of its divisors is an integer number (23849126).

Almost surely, 2^122652636 is an apocalyptic number.

It is an amenable number.

122652636 is an abundant number, since it is smaller than the sum of its proper divisors (163536876).

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

122652636 is a wasteful number, since it uses less digits than its factorization.

122652636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10221060 (or 10221058 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

The square root of 122652636 is about 11074.8650556113. The cubic root of 122652636 is about 496.8503828158.

The spelling of 122652636 in words is "one hundred twenty-two million, six hundred fifty-two thousand, six hundred thirty-six".