122877530 has 32 divisors (see below), whose sum is σ = 238178880. Its totient is φ = 45472000.

The previous prime is 122877511. The next prime is 122877539. The reversal of 122877530 is 35778221.

It is not an unprimeable number, because it can be changed into a prime (122877539) 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, 3905 + ... + 16155.

It is an arithmetic number, because the mean of its divisors is an integer number (7443090).

Almost surely, 2^122877530 is an apocalyptic number.

122877530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122877530 is a deficient number, since it is larger than the sum of its proper divisors (115301350).

122877530 is a wasteful number, since it uses less digits than its factorization.

122877530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12334.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 122877530 is about 11085.0137573212. The cubic root of 122877530 is about 497.1538698260.

The spelling of 122877530 in words is "one hundred twenty-two million, eight hundred seventy-seven thousand, five hundred thirty".