617606121 has 32 divisors (see below), whose sum is σ = 914411520. Its totient is φ = 367660800.

The previous prime is 617606089. The next prime is 617606123. The reversal of 617606121 is 121606716.

It is not a de Polignac number, because 617606121 - 2⁵ = 617606089 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (617606123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 627796 + ... + 628778.

It is an arithmetic number, because the mean of its divisors is an integer number (28575360).

Almost surely, 2^617606121 is an apocalyptic number.

It is an amenable number.

617606121 is a deficient number, since it is larger than the sum of its proper divisors (296805399).

617606121 is a wasteful number, since it uses less digits than its factorization.

617606121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 617606121 is about 24851.6824581355. The cubic root of 617606121 is about 851.6030284407.

The spelling of 617606121 in words is "six hundred seventeen million, six hundred six thousand, one hundred twenty-one".