122637630 has 32 divisors (see below), whose sum is σ = 294787584. Its totient is φ = 32652576.

The previous prime is 122637623. The next prime is 122637637. The reversal of 122637630 is 36736221.

It is an interprime number because it is at equal distance from previous prime (122637623) and next prime (122637637).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122637637) 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 15 ways as a sum of consecutive naturals, for example, 18999 + ... + 24621.

It is an arithmetic number, because the mean of its divisors is an integer number (9212112).

Almost surely, 2^122637630 is an apocalyptic number.

122637630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122637630 is an abundant number, since it is smaller than the sum of its proper divisors (172149954).

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

122637630 is a wasteful number, since it uses less digits than its factorization.

122637630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6360.

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 122637630 is about 11074.1875548502. The cubic root of 122637630 is about 496.8301195173.

The spelling of 122637630 in words is "one hundred twenty-two million, six hundred thirty-seven thousand, six hundred thirty".