122562620 has 48 divisors (see below), whose sum is σ = 263359488. Its totient is φ = 47900160.

The previous prime is 122562593. The next prime is 122562637. The reversal of 122562620 is 26265221.

It is a self number, because there is not a number n which added to its sum of digits gives 122562620.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185090 + ... + 185750.

It is an arithmetic number, because the mean of its divisors is an integer number (5486656).

Almost surely, 2^122562620 is an apocalyptic number.

122562620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122562620 is an abundant number, since it is smaller than the sum of its proper divisors (140796868).

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

122562620 is a wasteful number, since it uses less digits than its factorization.

122562620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870 (or 868 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 122562620 is about 11070.8003324060. The cubic root of 122562620 is about 496.7288052419.

The spelling of 122562620 in words is "one hundred twenty-two million, five hundred sixty-two thousand, six hundred twenty".