120661677 has 16 divisors (see below), whose sum is σ = 181024000. Its totient is φ = 79421472.

The previous prime is 120661669. The next prime is 120661727. The reversal of 120661677 is 776166021.

It is not a de Polignac number, because 120661677 - 2³ = 120661669 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 (120661637) 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, 26152 + ... + 30417.

It is an arithmetic number, because the mean of its divisors is an integer number (11314000).

Almost surely, 2^120661677 is an apocalyptic number.

It is an amenable number.

120661677 is a deficient number, since it is larger than the sum of its proper divisors (60362323).

120661677 is an equidigital number, since it uses as much as digits as its factorization.

120661677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56657 (or 56651 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 120661677 is about 10984.6109170967. The cubic root of 120661677 is about 494.1473291218.

The spelling of 120661677 in words is "one hundred twenty million, six hundred sixty-one thousand, six hundred seventy-seven".