122318587 has 8 divisors (see below), whose sum is σ = 131339232. Its totient is φ = 113500800.

The previous prime is 122318579. The next prime is 122318593. The reversal of 122318587 is 785813221.

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

It is a cyclic number.

It is not a de Polignac number, because 122318587 - 2³ = 122318579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122318557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49464 + ... + 51877.

It is an arithmetic number, because the mean of its divisors is an integer number (16417404).

Almost surely, 2^122318587 is an apocalyptic number.

122318587 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

122318587 is a deficient number, since it is larger than the sum of its proper divisors (9020645).

122318587 is a wasteful number, since it uses less digits than its factorization.

122318587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101429.

The product of its digits is 26880, while the sum is 37.

The square root of 122318587 is about 11059.7733701916. The cubic root of 122318587 is about 496.3989092216.

The spelling of 122318587 in words is "one hundred twenty-two million, three hundred eighteen thousand, five hundred eighty-seven".