113421271 has 2 divisors, whose sum is σ = 113421272. Its totient is φ = 113421270.

The previous prime is 113421193. The next prime is 113421289. The reversal of 113421271 is 172124311.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113421271 - 2⁹ = 113420759 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113421071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56710635 + 56710636.

It is an arithmetic number, because the mean of its divisors is an integer number (56710636).

Almost surely, 2^113421271 is an apocalyptic number.

113421271 is a deficient number, since it is larger than the sum of its proper divisors (1).

113421271 is an equidigital number, since it uses as much as digits as its factorization.

113421271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 336, while the sum is 22.

The square root of 113421271 is about 10649.9423003132. The cubic root of 113421271 is about 484.0588557960.

Adding to 113421271 its reverse (172124311), we get a palindrome (285545582).

The spelling of 113421271 in words is "one hundred thirteen million, four hundred twenty-one thousand, two hundred seventy-one".