122928902 has 4 divisors (see below), whose sum is σ = 184393356. Its totient is φ = 61464450.

The previous prime is 122928901. The next prime is 122928931. The reversal of 122928902 is 209829221.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×122928902² = 30223029893851208, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122928901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30732224 + ... + 30732227.

It is an arithmetic number, because the mean of its divisors is an integer number (46098339).

Almost surely, 2^122928902 is an apocalyptic number.

122928902 is a deficient number, since it is larger than the sum of its proper divisors (61464454).

122928902 is an equidigital number, since it uses as much as digits as its factorization.

122928902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61464453.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 122928902 is about 11087.3306976927. The cubic root of 122928902 is about 497.2231426764.

The spelling of 122928902 in words is "one hundred twenty-two million, nine hundred twenty-eight thousand, nine hundred two".