122565740 has 36 divisors (see below), whose sum is σ = 282919728. Its totient is φ = 44568480.

The previous prime is 122565697. The next prime is 122565749. The reversal of 122565740 is 47565221.

It is a junction number, because it is equal to n+sod(n) for n = 122565697 and 122565706.

It is not an unprimeable number, because it can be changed into a prime (122565749) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22904 + ... + 27743.

Almost surely, 2^122565740 is an apocalyptic number.

122565740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122565740 is an abundant number, since it is smaller than the sum of its proper divisors (160353988).

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

122565740 is a wasteful number, since it uses less digits than its factorization.

122565740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50678 (or 50665 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 122565740 is about 11070.9412427309. The cubic root of 122565740 is about 496.7330201777.

The spelling of 122565740 in words is "one hundred twenty-two million, five hundred sixty-five thousand, seven hundred forty".