120445177721 has 8 divisors (see below), whose sum is σ = 131479365024. Its totient is φ = 109425094720.

The previous prime is 120445177717. The next prime is 120445177733. The reversal of 120445177721 is 127771544021.

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

It is a cyclic number.

It is not a de Polignac number, because 120445177721 - 2² = 120445177717 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120445176721) 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, 3508211 + ... + 3542376.

It is an arithmetic number, because the mean of its divisors is an integer number (16434920628).

Almost surely, 2^120445177721 is an apocalyptic number.

120445177721 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120445177721 is a deficient number, since it is larger than the sum of its proper divisors (11034187303).

120445177721 is a wasteful number, since it uses less digits than its factorization.

120445177721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7052151.

The product of its (nonzero) digits is 109760, while the sum is 41.

The spelling of 120445177721 in words is "one hundred twenty billion, four hundred forty-five million, one hundred seventy-seven thousand, seven hundred twenty-one".