122751650 has 24 divisors (see below), whose sum is σ = 260935680. Its totient is φ = 42086160.

The previous prime is 122751641. The next prime is 122751653. The reversal of 122751650 is 56157221.

It is not an unprimeable number, because it can be changed into a prime (122751653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 175010 + ... + 175709.

It is an arithmetic number, because the mean of its divisors is an integer number (10872320).

Almost surely, 2^122751650 is an apocalyptic number.

122751650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122751650 is an abundant number, since it is smaller than the sum of its proper divisors (138184030).

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

122751650 is a wasteful number, since it uses less digits than its factorization.

122751650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350738 (or 350733 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 122751650 is about 11079.3343662875. The cubic root of 122751650 is about 496.9840446035.

The spelling of 122751650 in words is "one hundred twenty-two million, seven hundred fifty-one thousand, six hundred fifty".