121294317 has 4 divisors (see below), whose sum is σ = 161725760. Its totient is φ = 80862876.

The previous prime is 121294307. The next prime is 121294339. The reversal of 121294317 is 713492121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 121294317 - 2⁴ = 121294301 is a prime.

It is a super-2 number, since 2×121294317² = 29424622672992978, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121294307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20215717 + ... + 20215722.

It is an arithmetic number, because the mean of its divisors is an integer number (40431440).

Almost surely, 2^121294317 is an apocalyptic number.

It is an amenable number.

121294317 is a deficient number, since it is larger than the sum of its proper divisors (40431443).

121294317 is an equidigital number, since it uses as much as digits as its factorization.

121294317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40431442.

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

The square root of 121294317 is about 11013.3699202379. The cubic root of 121294317 is about 495.0094437541.

The spelling of 121294317 in words is "one hundred twenty-one million, two hundred ninety-four thousand, three hundred seventeen".