120053421 has 24 divisors (see below), whose sum is σ = 185645824. Its totient is φ = 77448960.

The previous prime is 120053389. The next prime is 120053431. The reversal of 120053421 is 124350021.

It is not a de Polignac number, because 120053421 - 2⁵ = 120053389 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 120053394 and 120053403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120053431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 436 + ... + 15501.

Almost surely, 2^120053421 is an apocalyptic number.

It is an amenable number.

120053421 is a deficient number, since it is larger than the sum of its proper divisors (65592403).

120053421 is an equidigital number, since it uses as much as digits as its factorization.

120053421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15983 (or 15971 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 120053421 is about 10956.8892026889. The cubic root of 120053421 is about 493.3155970716.

The spelling of 120053421 in words is "one hundred twenty million, fifty-three thousand, four hundred twenty-one".