122065720 has 32 divisors (see below), whose sum is σ = 313884000. Its totient is φ = 41851008.

The previous prime is 122065711. The next prime is 122065739. The reversal of 122065720 is 27560221.

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 7 ways as a sum of consecutive naturals, for example, 217695 + ... + 218254.

It is an arithmetic number, because the mean of its divisors is an integer number (9808875).

Almost surely, 2^122065720 is an apocalyptic number.

122065720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122065720 is an abundant number, since it is smaller than the sum of its proper divisors (191818280).

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

122065720 is a wasteful number, since it uses less digits than its factorization.

122065720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435967 (or 435963 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 122065720 is about 11048.3356212599. The cubic root of 122065720 is about 496.0566077432.

The spelling of 122065720 in words is "one hundred twenty-two million, sixty-five thousand, seven hundred twenty".