120776755 has 24 divisors (see below), whose sum is σ = 168690816. Its totient is φ = 82663680.

The previous prime is 120776743. The next prime is 120776779. The reversal of 120776755 is 557677021.

It is not a de Polignac number, because 120776755 - 2¹³ = 120768563 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4414 + ... + 16156.

It is an arithmetic number, because the mean of its divisors is an integer number (7028784).

Almost surely, 2^120776755 is an apocalyptic number.

120776755 is a deficient number, since it is larger than the sum of its proper divisors (47914061).

120776755 is a wasteful number, since it uses less digits than its factorization.

120776755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11787 (or 11776 counting only the distinct ones).

The product of its (nonzero) digits is 102900, while the sum is 40.

The square root of 120776755 is about 10989.8478151428. The cubic root of 120776755 is about 494.3043726817.

The spelling of 120776755 in words is "one hundred twenty million, seven hundred seventy-six thousand, seven hundred fifty-five".