421120532 has 48 divisors (see below), whose sum is σ = 915925248. Its totient is φ = 165265920.

The previous prime is 421120489. The next prime is 421120589. The reversal of 421120532 is 235021124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5657 + ... + 29567.

It is an arithmetic number, because the mean of its divisors is an integer number (19081776).

Almost surely, 2^421120532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421120532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (457962624).

421120532 is an abundant number, since it is smaller than the sum of its proper divisors (494804716).

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

421120532 is a wasteful number, since it uses less digits than its factorization.

421120532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23976 (or 23974 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 421120532 is about 20521.2215036045. The cubic root of 421120532 is about 749.5526410649.

Adding to 421120532 its reverse (235021124), we get a palindrome (656141656).

The spelling of 421120532 in words is "four hundred twenty-one million, one hundred twenty thousand, five hundred thirty-two".