122715630 has 48 divisors (see below), whose sum is σ = 319825584. Its totient is φ = 32645760.

The previous prime is 122715629. The next prime is 122715631. The reversal of 122715630 is 36517221.

It is a happy number.

122715630 is a `hidden beast` number, since 1 + 2 + 27 + 1 + 5 + 630 = 666.

It is an interprime number because it is at equal distance from previous prime (122715629) and next prime (122715631).

It is a junction number, because it is equal to n+sod(n) for n = 122715594 and 122715603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122715631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42802 + ... + 45578.

It is an arithmetic number, because the mean of its divisors is an integer number (6663033).

Almost surely, 2^122715630 is an apocalyptic number.

122715630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122715630 is an abundant number, since it is smaller than the sum of its proper divisors (197109954).

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

122715630 is a wasteful number, since it uses less digits than its factorization.

122715630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3281 (or 3278 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 122715630 is about 11077.7086981018. The cubic root of 122715630 is about 496.9354285115.

The spelling of 122715630 in words is "one hundred twenty-two million, seven hundred fifteen thousand, six hundred thirty".