120479999 has 4 divisors (see below), whose sum is σ = 120637440. Its totient is φ = 120322560.

The previous prime is 120479921. The next prime is 120480011. The reversal of 120479999 is 999974021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120479999 - 2²⁰ = 119431423 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 (120479899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77567 + ... + 79104.

It is an arithmetic number, because the mean of its divisors is an integer number (30159360).

Almost surely, 2^120479999 is an apocalyptic number.

120479999 is a deficient number, since it is larger than the sum of its proper divisors (157441).

120479999 is an equidigital number, since it uses as much as digits as its factorization.

120479999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157440.

The product of its (nonzero) digits is 367416, while the sum is 50.

The square root of 120479999 is about 10976.3381416573. The cubic root of 120479999 is about 493.8991951208.

The spelling of 120479999 in words is "one hundred twenty million, four hundred seventy-nine thousand, nine hundred ninety-nine".