421042132 has 24 divisors (see below), whose sum is σ = 843433920. Its totient is φ = 180157440.

The previous prime is 421042103. The next prime is 421042133. The reversal of 421042132 is 231240124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421042133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6219 + ... + 29677.

It is an arithmetic number, because the mean of its divisors is an integer number (35143080).

Almost surely, 2^421042132 is an apocalyptic number.

It is an amenable number.

421042132 is an abundant number, since it is smaller than the sum of its proper divisors (422391788).

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

421042132 is a wasteful number, since it uses less digits than its factorization.

421042132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24111 (or 24109 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 421042132 is about 20519.3111970163. The cubic root of 421042132 is about 749.5061234452.

Adding to 421042132 its reverse (231240124), we get a palindrome (652282256).

The spelling of 421042132 in words is "four hundred twenty-one million, forty-two thousand, one hundred thirty-two".