420132 has 24 divisors (see below), whose sum is σ = 990976. Its totient is φ = 138528.

The previous prime is 420103. The next prime is 420149. The reversal of 420132 is 231024.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an Ulam 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, 1773 + ... + 1995.

2⁴²⁰¹³² is an apocalyptic number.

It is an amenable number.

420132 is an abundant number, since it is smaller than the sum of its proper divisors (570844).

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

420132 is a wasteful number, since it uses less digits than its factorization.

420132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387 (or 385 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 420132 is about 648.1759020513. The cubic root of 420132 is about 74.8965685358.

Adding to 420132 its reverse (231024), we get a palindrome (651156).

The spelling of 420132 in words is "four hundred twenty thousand, one hundred thirty-two".