113897171 has 2 divisors, whose sum is σ = 113897172. Its totient is φ = 113897170.

The previous prime is 113897129. The next prime is 113897177. The reversal of 113897171 is 171798311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 113897171 - 2¹⁴ = 113880787 is a prime.

It is not a weakly prime, because it can be changed into another prime (113897177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56948585 + 56948586.

It is an arithmetic number, because the mean of its divisors is an integer number (56948586).

Almost surely, 2^113897171 is an apocalyptic number.

113897171 is a deficient number, since it is larger than the sum of its proper divisors (1).

113897171 is an equidigital number, since it uses as much as digits as its factorization.

113897171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10584, while the sum is 38.

The square root of 113897171 is about 10672.2617565350. The cubic root of 113897171 is about 484.7349258285.

The spelling of 113897171 in words is "one hundred thirteen million, eight hundred ninety-seven thousand, one hundred seventy-one".