420332125 has 8 divisors (see below), whose sum is σ = 524574648. Its totient is φ = 336265600.

The previous prime is 420332113. The next prime is 420332147. The reversal of 420332125 is 521233024.

It can be written as a sum of positive squares in 4 ways, for example, as 121 + 420332004 = 11^2 + 20502^2 .

It is not a de Polignac number, because 420332125 - 2¹³ = 420323933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 420332096 and 420332105.

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, 1681204 + ... + 1681453.

It is an arithmetic number, because the mean of its divisors is an integer number (65571831).

Almost surely, 2^420332125 is an apocalyptic number.

It is an amenable number.

420332125 is a deficient number, since it is larger than the sum of its proper divisors (104242523).

420332125 is an equidigital number, since it uses as much as digits as its factorization.

420332125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3362672 (or 3362662 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 420332125 is about 20502.0029509314. The cubic root of 420332125 is about 749.0845868500.

Adding to 420332125 its reverse (521233024), we get a palindrome (941565149).

The spelling of 420332125 in words is "four hundred twenty million, three hundred thirty-two thousand, one hundred twenty-five".