122900868 has 48 divisors (see below), whose sum is σ = 332492160. Its totient is φ = 39184992.

The previous prime is 122900861. The next prime is 122900887. The reversal of 122900868 is 868009221.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (122900861) 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, 22255 + ... + 27222.

It is an arithmetic number, because the mean of its divisors is an integer number (6926920).

Almost surely, 2^122900868 is an apocalyptic number.

122900868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

122900868 is an abundant number, since it is smaller than the sum of its proper divisors (209591292).

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

122900868 is a wasteful number, since it uses less digits than its factorization.

122900868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49513 (or 49505 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 122900868 is about 11086.0663898427. The cubic root of 122900868 is about 497.1853424707.

The spelling of 122900868 in words is "one hundred twenty-two million, nine hundred thousand, eight hundred sixty-eight".