420124579 has 14 divisors (see below), whose sum is σ = 490282004. Its totient is φ = 360005940.

The previous prime is 420124559. The next prime is 420124597. The reversal of 420124579 is 975421024.

It is not a de Polignac number, because 420124579 - 2⁵ = 420124547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420124559) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 115864 + ... + 119434.

Almost surely, 2^420124579 is an apocalyptic number.

420124579 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

420124579 is a deficient number, since it is larger than the sum of its proper divisors (70157425).

420124579 is an frugal number, since it uses more digits than its factorization.

420124579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3613 (or 3578 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 420124579 is about 20496.9407229469. The cubic root of 420124579 is about 748.9612755476.

The spelling of 420124579 in words is "four hundred twenty million, one hundred twenty-four thousand, five hundred seventy-nine".