421045106 has 8 divisors (see below), whose sum is σ = 633560940. Its totient is φ = 209858128.

The previous prime is 421045067. The next prime is 421045127. The reversal of 421045106 is 601540124.

It can be written as a sum of positive squares in 2 ways, for example, as 417589225 + 3455881 = 20435^2 + 1859^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331421 + ... + 332688.

Almost surely, 2^421045106 is an apocalyptic number.

421045106 is a deficient number, since it is larger than the sum of its proper divisors (212515834).

421045106 is a wasteful number, since it uses less digits than its factorization.

421045106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664428.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 421045106 is about 20519.3836652079. The cubic root of 421045106 is about 749.5078881348.

The spelling of 421045106 in words is "four hundred twenty-one million, forty-five thousand, one hundred six".