420125 has 8 divisors (see below), whose sum is σ = 524472. Its totient is φ = 336000.

The previous prime is 420103. The next prime is 420149. The reversal of 420125 is 521024.

It can be written as a sum of positive squares in 4 ways, for example, as 2809 + 417316 = 53^2 + 646^2 .

It is a de Polignac number, because none of the positive numbers 2^k-420125 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1556 + ... + 1805.

It is an arithmetic number, because the mean of its divisors is an integer number (65559).

2⁴²⁰¹²⁵ is an apocalyptic number.

It is an amenable number.

420125 is a deficient number, since it is larger than the sum of its proper divisors (104347).

420125 is an equidigital number, since it uses as much as digits as its factorization.

420125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3376 (or 3366 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 420125 is about 648.1705022600. The cubic root of 420125 is about 74.8961525722.

Adding to 420125 its reverse (521024), we get a palindrome (941149).

It can be divided in two parts, 420 and 125, that added together give a palindrome (545).

The spelling of 420125 in words is "four hundred twenty thousand, one hundred twenty-five".