120455121 has 8 divisors (see below), whose sum is σ = 162869184. Its totient is φ = 79172240.

The previous prime is 120455099. The next prime is 120455131. The reversal of 120455121 is 121554021.

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 120455121 - 2¹⁵ = 120422353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120455131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282546 + ... + 282971.

It is an arithmetic number, because the mean of its divisors is an integer number (20358648).

Almost surely, 2^120455121 is an apocalyptic number.

It is an amenable number.

120455121 is a deficient number, since it is larger than the sum of its proper divisors (42414063).

120455121 is an equidigital number, since it uses as much as digits as its factorization.

120455121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565591.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 120455121 is about 10975.2048272458. The cubic root of 120455121 is about 493.8651975829.

The spelling of 120455121 in words is "one hundred twenty million, four hundred fifty-five thousand, one hundred twenty-one".