120777171 has 8 divisors (see below), whose sum is σ = 161222544. Its totient is φ = 80424960.

The previous prime is 120777157. The next prime is 120777211. The reversal of 120777171 is 171777021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120777171 - 2⁷ = 120777043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120777101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20206 + ... + 25491.

It is an arithmetic number, because the mean of its divisors is an integer number (20152818).

Almost surely, 2^120777171 is an apocalyptic number.

120777171 is a deficient number, since it is larger than the sum of its proper divisors (40445373).

120777171 is an equidigital number, since it uses as much as digits as its factorization.

120777171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46581.

The product of its (nonzero) digits is 4802, while the sum is 33.

The square root of 120777171 is about 10989.8667416853. The cubic root of 120777171 is about 494.3049402037.

The spelling of 120777171 in words is "one hundred twenty million, seven hundred seventy-seven thousand, one hundred seventy-one".