58120421 has 4 divisors (see below), whose sum is σ = 58477152. Its totient is φ = 57763692.

The previous prime is 58120397. The next prime is 58120427. The reversal of 58120421 is 12402185.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 58120421 - 2⁶ = 58120357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58120427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178121 + ... + 178446.

It is an arithmetic number, because the mean of its divisors is an integer number (14619288).

Almost surely, 2^58120421 is an apocalyptic number.

It is an amenable number.

58120421 is a deficient number, since it is larger than the sum of its proper divisors (356731).

58120421 is a wasteful number, since it uses less digits than its factorization.

58120421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356730.

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 58120421 is about 7623.6750324237. The cubic root of 58120421 is about 387.3553724578.

The spelling of 58120421 in words is "fifty-eight million, one hundred twenty thousand, four hundred twenty-one".