120590421 has 12 divisors (see below), whose sum is σ = 187038432. Its totient is φ = 68908728.

The previous prime is 120590417. The next prime is 120590429. The reversal of 120590421 is 124095021.

It is not a de Polignac number, because 120590421 - 2² = 120590417 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 120590391 and 120590400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120590429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 410025 + ... + 410318.

It is an arithmetic number, because the mean of its divisors is an integer number (15586536).

Almost surely, 2^120590421 is an apocalyptic number.

It is an amenable number.

120590421 is a deficient number, since it is larger than the sum of its proper divisors (66448011).

120590421 is an equidigital number, since it uses as much as digits as its factorization.

120590421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820360 (or 820353 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 120590421 is about 10981.3669914087. The cubic root of 120590421 is about 494.0500380944.

The spelling of 120590421 in words is "one hundred twenty million, five hundred ninety thousand, four hundred twenty-one".