122365720 has 16 divisors (see below), whose sum is σ = 275322960. Its totient is φ = 48946272.

The previous prime is 122365709. The next prime is 122365721. The reversal of 122365720 is 27563221.

It is a super-2 number, since 2×122365720² = 29946738862236800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122365721) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1529532 + ... + 1529611.

It is an arithmetic number, because the mean of its divisors is an integer number (17207685).

Almost surely, 2^122365720 is an apocalyptic number.

122365720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122365720 is an abundant number, since it is smaller than the sum of its proper divisors (152957240).

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

122365720 is a wasteful number, since it uses less digits than its factorization.

122365720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3059154 (or 3059150 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 122365720 is about 11061.9039952442. The cubic root of 122365720 is about 496.4626601359.

It can be divided in two parts, 12236 and 5720, that added together give a square (17956 = 134²).

The spelling of 122365720 in words is "one hundred twenty-two million, three hundred sixty-five thousand, seven hundred twenty".