121195017 has 12 divisors (see below), whose sum is σ = 179791300. Its totient is φ = 78612768.

The previous prime is 121195013. The next prime is 121195021. The reversal of 121195017 is 710591121.

It is an interprime number because it is at equal distance from previous prime (121195013) and next prime (121195021).

It can be written as a sum of positive squares in 2 ways, for example, as 43243776 + 77951241 = 6576^2 + 8829^2 .

It is not a de Polignac number, because 121195017 - 2² = 121195013 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121195013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181642 + ... + 182307.

Almost surely, 2^121195017 is an apocalyptic number.

It is an amenable number.

121195017 is a deficient number, since it is larger than the sum of its proper divisors (58596283).

121195017 is a wasteful number, since it uses less digits than its factorization.

121195017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363992 (or 363989 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 27.

The square root of 121195017 is about 11008.8608402505. The cubic root of 121195017 is about 494.8743237726.

The spelling of 121195017 in words is "one hundred twenty-one million, one hundred ninety-five thousand, seventeen".