122560740 has 72 divisors (see below), whose sum is σ = 372677760. Its totient is φ = 32602944.

The previous prime is 122560733. The next prime is 122560741. The reversal of 122560740 is 47065221.

122560740 is a `hidden beast` number, since 12 + 2 + 5 + 607 + 40 = 666.

It is a super-2 number, since 2×122560740² = 30042269978695200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122560741) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128947 + ... + 129893.

It is an arithmetic number, because the mean of its divisors is an integer number (5176080).

Almost surely, 2^122560740 is an apocalyptic number.

122560740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122560740 is an abundant number, since it is smaller than the sum of its proper divisors (250117020).

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

122560740 is a wasteful number, since it uses less digits than its factorization.

122560740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681 (or 1676 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 122560740 is about 11070.7154240365. The cubic root of 122560740 is about 496.7262654383.

It can be divided in two parts, 12 and 2560740, that multiplied together give a triangular number (30728880 = T₇₈₃₉).

The spelling of 122560740 in words is "one hundred twenty-two million, five hundred sixty thousand, seven hundred forty".