122645264 has 20 divisors (see below), whose sum is σ = 271571904. Its totient is φ = 52562208.

The previous prime is 122645249. The next prime is 122645267. The reversal of 122645264 is 462546221.

It is a self number, because there is not a number n which added to its sum of digits gives 122645264.

It is not an unprimeable number, because it can be changed into a prime (122645267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 547412 + ... + 547635.

Almost surely, 2^122645264 is an apocalyptic number.

122645264 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

122645264 is an abundant number, since it is smaller than the sum of its proper divisors (148926640).

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

122645264 is a wasteful number, since it uses less digits than its factorization.

122645264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095062 (or 1095056 counting only the distinct ones).

The product of its digits is 23040, while the sum is 32.

The square root of 122645264 is about 11074.5322248843. The cubic root of 122645264 is about 496.8404282685.

The spelling of 122645264 in words is "one hundred twenty-two million, six hundred forty-five thousand, two hundred sixty-four".