121072317 has 8 divisors (see below), whose sum is σ = 170925696. Its totient is φ = 75966912.

The previous prime is 121072297. The next prime is 121072321. The reversal of 121072317 is 713270121.

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

It is not a de Polignac number, because 121072317 - 2¹⁵ = 121039549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121072337) 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, 1186933 + ... + 1187034.

It is an arithmetic number, because the mean of its divisors is an integer number (21365712).

Almost surely, 2^121072317 is an apocalyptic number.

121072317 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

121072317 is a deficient number, since it is larger than the sum of its proper divisors (49853379).

121072317 is a wasteful number, since it uses less digits than its factorization.

121072317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2373987.

The product of its (nonzero) digits is 588, while the sum is 24.

The square root of 121072317 is about 11003.2866453619. The cubic root of 121072317 is about 494.7072608458.

The spelling of 121072317 in words is "one hundred twenty-one million, seventy-two thousand, three hundred seventeen".