120609641 has 4 divisors (see below), whose sum is σ = 121021572. Its totient is φ = 120197712.

The previous prime is 120609583. The next prime is 120609649. The reversal of 120609641 is 146906021.

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 49561600 + 71048041 = 7040^2 + 8429^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120609641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120609649) 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, 205526 + ... + 206111.

It is an arithmetic number, because the mean of its divisors is an integer number (30255393).

Almost surely, 2^120609641 is an apocalyptic number.

It is an amenable number.

120609641 is a deficient number, since it is larger than the sum of its proper divisors (411931).

120609641 is an equidigital number, since it uses as much as digits as its factorization.

120609641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411930.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 120609641 is about 10982.2420752777. The cubic root of 120609641 is about 494.0762843397.

The spelling of 120609641 in words is "one hundred twenty million, six hundred nine thousand, six hundred forty-one".