122528985 has 8 divisors (see below), whose sum is σ = 196046400. Its totient is φ = 65348784.

The previous prime is 122528897. The next prime is 122529023. The reversal of 122528985 is 589825221.

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

It is not a de Polignac number, because 122528985 - 2¹⁰ = 122527961 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4084285 + ... + 4084314.

It is an arithmetic number, because the mean of its divisors is an integer number (24505800).

Almost surely, 2^122528985 is an apocalyptic number.

122528985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122528985 is a deficient number, since it is larger than the sum of its proper divisors (73517415).

122528985 is an equidigital number, since it uses as much as digits as its factorization.

122528985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8168607.

The product of its digits is 115200, while the sum is 42.

The square root of 122528985 is about 11069.2811419712. The cubic root of 122528985 is about 496.6833617999.

The spelling of 122528985 in words is "one hundred twenty-two million, five hundred twenty-eight thousand, nine hundred eighty-five".