421132042 has 8 divisors (see below), whose sum is σ = 633290436. Its totient is φ = 210035232.

The previous prime is 421132037. The next prime is 421132043. The reversal of 421132042 is 240231124.

It can be written as a sum of positive squares in 2 ways, for example, as 410103001 + 11029041 = 20251^2 + 3321^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (421132043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264403 + ... + 265990.

Almost surely, 2^421132042 is an apocalyptic number.

421132042 is a deficient number, since it is larger than the sum of its proper divisors (212158394).

421132042 is a wasteful number, since it uses less digits than its factorization.

421132042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530792.

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

The square root of 421132042 is about 20521.5019430840. The cubic root of 421132042 is about 749.5594698875.

Adding to 421132042 its reverse (240231124), we get a palindrome (661363166).

The spelling of 421132042 in words is "four hundred twenty-one million, one hundred thirty-two thousand, forty-two".