420125604 has 24 divisors (see below), whose sum is σ = 980733600. Its totient is φ = 139978944.

The previous prime is 420125603. The next prime is 420125617. The reversal of 420125604 is 406521024.

It is not an unprimeable number, because it can be changed into a prime (420125603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25672 + ... + 38720.

It is an arithmetic number, because the mean of its divisors is an integer number (40863900).

Almost surely, 2^420125604 is an apocalyptic number.

It is an amenable number.

420125604 is an abundant number, since it is smaller than the sum of its proper divisors (560607996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420125604 is a wasteful number, since it uses less digits than its factorization.

420125604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15739 (or 15737 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 420125604 is about 20496.9657266631. The cubic root of 420125604 is about 748.9618846405.

Adding to 420125604 its reverse (406521024), we get a palindrome (826646628).

The spelling of 420125604 in words is "four hundred twenty million, one hundred twenty-five thousand, six hundred four".