120774817 has 8 divisors (see below), whose sum is σ = 133439616. Its totient is φ = 108727872.

The previous prime is 120774809. The next prime is 120774833. The reversal of 120774817 is 718477021.

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 120774817 - 2³ = 120774809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120714817) 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, 154053 + ... + 154834.

It is an arithmetic number, because the mean of its divisors is an integer number (16679952).

Almost surely, 2^120774817 is an apocalyptic number.

120774817 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

120774817 is a deficient number, since it is larger than the sum of its proper divisors (12664799).

120774817 is a wasteful number, since it uses less digits than its factorization.

120774817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308927.

The product of its (nonzero) digits is 21952, while the sum is 37.

The square root of 120774817 is about 10989.7596425036. The cubic root of 120774817 is about 494.3017287762.

The spelling of 120774817 in words is "one hundred twenty million, seven hundred seventy-four thousand, eight hundred seventeen".