122706240 has 56 divisors (see below), whose sum is σ = 389595360. Its totient is φ = 32721408.

The previous prime is 122706239. The next prime is 122706251. The reversal of 122706240 is 42607221.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 122706240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62950 + ... + 64869.

It is an arithmetic number, because the mean of its divisors is an integer number (6957060).

Almost surely, 2^122706240 is an apocalyptic number.

122706240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122706240 is an abundant number, since it is smaller than the sum of its proper divisors (266889120).

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

122706240 is a wasteful number, since it uses less digits than its factorization.

122706240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127839 (or 127829 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 122706240 is about 11077.2848658866. The cubic root of 122706240 is about 496.9227532918.

The spelling of 122706240 in words is "one hundred twenty-two million, seven hundred six thousand, two hundred forty".