120407777 has 16 divisors (see below), whose sum is σ = 140743680. Its totient is φ = 100880208.

The previous prime is 120407767. The next prime is 120407801. The reversal of 120407777 is 777704021.

It is a cyclic number.

It is not a de Polignac number, because 120407777 - 2¹⁸ = 120145633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120407747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64268 + ... + 66114.

It is an arithmetic number, because the mean of its divisors is an integer number (8796480).

Almost surely, 2^120407777 is an apocalyptic number.

It is an amenable number.

120407777 is a deficient number, since it is larger than the sum of its proper divisors (20335903).

120407777 is a wasteful number, since it uses less digits than its factorization.

120407777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2060.

The product of its (nonzero) digits is 19208, while the sum is 35.

The square root of 120407777 is about 10973.0477534731. The cubic root of 120407777 is about 493.8004857419.

The spelling of 120407777 in words is "one hundred twenty million, four hundred seven thousand, seven hundred seventy-seven".