421242106 has 8 divisors (see below), whose sum is σ = 645307200. Its totient is φ = 206139708.

The previous prime is 421242091. The next prime is 421242131. The reversal of 421242106 is 601242124.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2240556 + ... + 2240743.

It is an arithmetic number, because the mean of its divisors is an integer number (80663400).

Almost surely, 2^421242106 is an apocalyptic number.

421242106 is a deficient number, since it is larger than the sum of its proper divisors (224065094).

421242106 is a wasteful number, since it uses less digits than its factorization.

421242106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4481348.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 421242106 is about 20524.1834429533. The cubic root of 421242106 is about 749.6247639989.

The spelling of 421242106 in words is "four hundred twenty-one million, two hundred forty-two thousand, one hundred six".