120410656361 has 4 divisors (see below), whose sum is σ = 120412168272. Its totient is φ = 120409144452.

The previous prime is 120410656343. The next prime is 120410656363. The reversal of 120410656361 is 163656014021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 163656014021 = 1381 ⋅118505441.

It is a cyclic number.

It is not a de Polignac number, because 120410656361 - 2¹⁸ = 120410394217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120410656363) 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, 629435 + ... + 798128.

It is an arithmetic number, because the mean of its divisors is an integer number (30103042068).

Almost surely, 2^120410656361 is an apocalyptic number.

It is an amenable number.

120410656361 is a deficient number, since it is larger than the sum of its proper divisors (1511911).

120410656361 is an equidigital number, since it uses as much as digits as its factorization.

120410656361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1511910.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 120410656361 in words is "one hundred twenty billion, four hundred ten million, six hundred fifty-six thousand, three hundred sixty-one".