120452421 has 8 divisors (see below), whose sum is σ = 160773184. Its totient is φ = 80216640.

The previous prime is 120452407. The next prime is 120452443. The reversal of 120452421 is 124254021.

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

It is not a de Polignac number, because 120452421 - 2⁵ = 120452389 is a prime.

It is a super-2 number, since 2×120452421² = 29017571449522482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120452401) 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, 17860 + ... + 23661.

It is an arithmetic number, because the mean of its divisors is an integer number (20096648).

Almost surely, 2^120452421 is an apocalyptic number.

It is an amenable number.

120452421 is a deficient number, since it is larger than the sum of its proper divisors (40320763).

120452421 is an equidigital number, since it uses as much as digits as its factorization.

120452421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42491.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 120452421 is about 10975.0818220185. The cubic root of 120452421 is about 493.8615075613.

The spelling of 120452421 in words is "one hundred twenty million, four hundred fifty-two thousand, four hundred twenty-one".