120788517 has 8 divisors (see below), whose sum is σ = 163781280. Its totient is φ = 79160720.

The previous prime is 120788513. The next prime is 120788531. The reversal of 120788517 is 715887021.

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 120788517 - 2² = 120788513 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120788513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341034 + ... + 341387.

It is an arithmetic number, because the mean of its divisors is an integer number (20472660).

Almost surely, 2^120788517 is an apocalyptic number.

It is an amenable number.

120788517 is a deficient number, since it is larger than the sum of its proper divisors (42992763).

120788517 is an equidigital number, since it uses as much as digits as its factorization.

120788517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682483.

The product of its (nonzero) digits is 31360, while the sum is 39.

The square root of 120788517 is about 10990.3829323641. The cubic root of 120788517 is about 494.3204183171.

The spelling of 120788517 in words is "one hundred twenty million, seven hundred eighty-eight thousand, five hundred seventeen".