120902161465 has 4 divisors (see below), whose sum is σ = 145082593764. Its totient is φ = 96721729168.

The previous prime is 120902161459. The next prime is 120902161493. The reversal of 120902161465 is 564161209021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 564161209021 = 89 ⋅6338889989.

It can be written as a sum of positive squares in 2 ways, for example, as 37475926569 + 83426234896 = 193587^2 + 288836^2 .

It is a cyclic number.

It is not a de Polignac number, because 120902161465 - 2⁷ = 120902161337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12090216142 + ... + 12090216151.

It is an arithmetic number, because the mean of its divisors is an integer number (36270648441).

Almost surely, 2^120902161465 is an apocalyptic number.

It is an amenable number.

120902161465 is a deficient number, since it is larger than the sum of its proper divisors (24180432299).

120902161465 is an equidigital number, since it uses as much as digits as its factorization.

120902161465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24180432298.

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 120902161465 in words is "one hundred twenty billion, nine hundred two million, one hundred sixty-one thousand, four hundred sixty-five".