120705879 has 32 divisors (see below), whose sum is σ = 194388480. Its totient is φ = 65083392.

The previous prime is 120705869. The next prime is 120705881. The reversal of 120705879 is 978507021.

It is not a de Polignac number, because 120705879 - 2¹⁶ = 120640343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120705829) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 140419 + ... + 141275.

It is an arithmetic number, because the mean of its divisors is an integer number (6074640).

Almost surely, 2^120705879 is an apocalyptic number.

120705879 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

120705879 is a deficient number, since it is larger than the sum of its proper divisors (73682601).

120705879 is a wasteful number, since it uses less digits than its factorization.

120705879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239.

The product of its (nonzero) digits is 35280, while the sum is 39.

The square root of 120705879 is about 10986.6227294833. The cubic root of 120705879 is about 494.2076620962.

The spelling of 120705879 in words is "one hundred twenty million, seven hundred five thousand, eight hundred seventy-nine".