122664830 has 32 divisors (see below), whose sum is σ = 232796160. Its totient is φ = 46467360.

The previous prime is 122664827. The next prime is 122664833. The reversal of 122664830 is 38466221.

It is an interprime number because it is at equal distance from previous prime (122664827) and next prime (122664833).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122664833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10361 + ... + 18779.

It is an arithmetic number, because the mean of its divisors is an integer number (7274880).

Almost surely, 2^122664830 is an apocalyptic number.

122664830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122664830 is a deficient number, since it is larger than the sum of its proper divisors (110131330).

122664830 is a wasteful number, since it uses less digits than its factorization.

122664830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8504.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 122664830 is about 11075.4155678241. The cubic root of 122664830 is about 496.8668477230.

The spelling of 122664830 in words is "one hundred twenty-two million, six hundred sixty-four thousand, eight hundred thirty".