113421071 has 2 divisors, whose sum is σ = 113421072. Its totient is φ = 113421070.

The previous prime is 113421053. The next prime is 113421079. The reversal of 113421071 is 170124311.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113421071 - 2²⁶ = 46312207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113421079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56710535 + 56710536.

It is an arithmetic number, because the mean of its divisors is an integer number (56710536).

Almost surely, 2^113421071 is an apocalyptic number.

113421071 is a deficient number, since it is larger than the sum of its proper divisors (1).

113421071 is an equidigital number, since it uses as much as digits as its factorization.

113421071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 113421071 is about 10649.9329105868. The cubic root of 113421071 is about 484.0585712761.

Adding to 113421071 its reverse (170124311), we get a palindrome (283545382).

The spelling of 113421071 in words is "one hundred thirteen million, four hundred twenty-one thousand, seventy-one".