122252730 has 16 divisors (see below), whose sum is σ = 293406624. Its totient is φ = 32600720.

The previous prime is 122252717. The next prime is 122252731. The reversal of 122252730 is 37252221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 122252730.

It is not an unprimeable number, because it can be changed into a prime (122252731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2037516 + ... + 2037575.

It is an arithmetic number, because the mean of its divisors is an integer number (18337914).

Almost surely, 2^122252730 is an apocalyptic number.

122252730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122252730 is an abundant number, since it is smaller than the sum of its proper divisors (171153894).

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

122252730 is a wasteful number, since it uses less digits than its factorization.

122252730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4075101.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 122252730 is about 11056.7956479262. The cubic root of 122252730 is about 496.3098052607.

The spelling of 122252730 in words is "one hundred twenty-two million, two hundred fifty-two thousand, seven hundred thirty".