421141079 has 2 divisors, whose sum is σ = 421141080. Its totient is φ = 421141078.

The previous prime is 421141033. The next prime is 421141081. The reversal of 421141079 is 970141124.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 421141079 - 2⁸ = 421140823 is a prime.

Together with 421141081, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (421141379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210570539 + 210570540.

It is an arithmetic number, because the mean of its divisors is an integer number (210570540).

Almost surely, 2^421141079 is an apocalyptic number.

421141079 is a deficient number, since it is larger than the sum of its proper divisors (1).

421141079 is an equidigital number, since it uses as much as digits as its factorization.

421141079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 421141079 is about 20521.7221255917. The cubic root of 421141079 is about 749.5648314051.

The spelling of 421141079 in words is "four hundred twenty-one million, one hundred forty-one thousand, seventy-nine".