421104107 has 2 divisors, whose sum is σ = 421104108. Its totient is φ = 421104106.

The previous prime is 421104091. The next prime is 421104109. The reversal of 421104107 is 701401124.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 421104107 - 2⁴ = 421104091 is a prime.

Together with 421104109, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (421104109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210552053 + 210552054.

It is an arithmetic number, because the mean of its divisors is an integer number (210552054).

Almost surely, 2^421104107 is an apocalyptic number.

421104107 is a deficient number, since it is larger than the sum of its proper divisors (1).

421104107 is an equidigital number, since it uses as much as digits as its factorization.

421104107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 421104107 is about 20520.8213042266. The cubic root of 421104107 is about 749.5428959830.

The spelling of 421104107 in words is "four hundred twenty-one million, one hundred four thousand, one hundred seven".