120481921 has 8 divisors (see below), whose sum is σ = 142441920. Its totient is φ = 99709008.

The previous prime is 120481919. The next prime is 120481927. The reversal of 120481921 is 129184021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120481921 - 2¹ = 120481919 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 120481921.

It is not an unprimeable number, because it can be changed into a prime (120481927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296551 + ... + 296956.

It is an arithmetic number, because the mean of its divisors is an integer number (17805240).

Almost surely, 2^120481921 is an apocalyptic number.

It is an amenable number.

120481921 is a deficient number, since it is larger than the sum of its proper divisors (21959999).

120481921 is an equidigital number, since it uses as much as digits as its factorization.

120481921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593543.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 120481921 is about 10976.4256932756. The cubic root of 120481921 is about 493.9018214743.

The spelling of 120481921 in words is "one hundred twenty million, four hundred eighty-one thousand, nine hundred twenty-one".