120386165761 has 4 divisors (see below), whose sum is σ = 122359709524. Its totient is φ = 118412622000.

The previous prime is 120386165749. The next prime is 120386165777. The reversal of 120386165761 is 167561683021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 50521103361 + 69865062400 = 224769^2 + 264320^2 .

It is a cyclic number.

It is not a de Polignac number, because 120386165761 - 2²⁹ = 119849294849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120386165701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 986771790 + ... + 986771911.

It is an arithmetic number, because the mean of its divisors is an integer number (30589927381).

Almost surely, 2^120386165761 is an apocalyptic number.

It is an amenable number.

120386165761 is a deficient number, since it is larger than the sum of its proper divisors (1973543763).

120386165761 is an equidigital number, since it uses as much as digits as its factorization.

120386165761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1973543762.

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 120386165761 in words is "one hundred twenty billion, three hundred eighty-six million, one hundred sixty-five thousand, seven hundred sixty-one".