120319999 has 8 divisors (see below), whose sum is σ = 129487248. Its totient is φ = 111384960.

The previous prime is 120319961. The next prime is 120320003. The reversal of 120319999 is 999913021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120319999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120319949) 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, 56977 + ... + 59050.

It is an arithmetic number, because the mean of its divisors is an integer number (16185906).

Almost surely, 2^120319999 is an apocalyptic number.

120319999 is a deficient number, since it is larger than the sum of its proper divisors (9167249).

120319999 is a wasteful number, since it uses less digits than its factorization.

120319999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116105.

The product of its (nonzero) digits is 39366, while the sum is 43.

The square root of 120319999 is about 10969.0473150589. The cubic root of 120319999 is about 493.6804620544.

The spelling of 120319999 in words is "one hundred twenty million, three hundred nineteen thousand, nine hundred ninety-nine".