122528986 has 8 divisors (see below), whose sum is σ = 193466880. Its totient is φ = 58040028.

The previous prime is 122528897. The next prime is 122529023. The reversal of 122528986 is 689825221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1612186 + ... + 1612261.

It is an arithmetic number, because the mean of its divisors is an integer number (24183360).

Almost surely, 2^122528986 is an apocalyptic number.

122528986 is a deficient number, since it is larger than the sum of its proper divisors (70937894).

122528986 is a wasteful number, since it uses less digits than its factorization.

122528986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3224468.

The product of its digits is 138240, while the sum is 43.

The square root of 122528986 is about 11069.2811871413. The cubic root of 122528986 is about 496.6833631511.

The spelling of 122528986 in words is "one hundred twenty-two million, five hundred twenty-eight thousand, nine hundred eighty-six".