120684961 has 8 divisors (see below), whose sum is σ = 123751584. Its totient is φ = 117630240.

The previous prime is 120684959. The next prime is 120684983. The reversal of 120684961 is 169486021.

It is a happy number.

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 120684961 - 2¹ = 120684959 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120684961.

It is not an unprimeable number, because it can be changed into a prime (120684911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19710 + ... + 25096.

It is an arithmetic number, because the mean of its divisors is an integer number (15468948).

Almost surely, 2^120684961 is an apocalyptic number.

It is an amenable number.

120684961 is a deficient number, since it is larger than the sum of its proper divisors (3066623).

120684961 is an equidigital number, since it uses as much as digits as its factorization.

120684961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5951.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 120684961 is about 10985.6707123416. The cubic root of 120684961 is about 494.1791121665.

The spelling of 120684961 in words is "one hundred twenty million, six hundred eighty-four thousand, nine hundred sixty-one".