421461242 has 4 divisors (see below), whose sum is σ = 632191866. Its totient is φ = 210730620.

The previous prime is 421461221. The next prime is 421461259. The reversal of 421461242 is 242164124.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 419061841 + 2399401 = 20471^2 + 1549^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105365309 + ... + 105365312.

Almost surely, 2^421461242 is an apocalyptic number.

421461242 is a deficient number, since it is larger than the sum of its proper divisors (210730624).

421461242 is a wasteful number, since it uses less digits than its factorization.

421461242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210730623.

The product of its digits is 3072, while the sum is 26.

The square root of 421461242 is about 20529.5212316313. The cubic root of 421461242 is about 749.7547298729.

It can be divided in two parts, 4214 and 61242, that added together give a palindrome (65456).

The spelling of 421461242 in words is "four hundred twenty-one million, four hundred sixty-one thousand, two hundred forty-two".