71125199 has 2 divisors, whose sum is σ = 71125200. Its totient is φ = 71125198.

The previous prime is 71125193. The next prime is 71125231. The reversal of 71125199 is 99152117.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71125199 - 2²⁴ = 54347983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71125193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35562599 + 35562600.

It is an arithmetic number, because the mean of its divisors is an integer number (35562600).

Almost surely, 2^71125199 is an apocalyptic number.

71125199 is a deficient number, since it is larger than the sum of its proper divisors (1).

71125199 is an equidigital number, since it uses as much as digits as its factorization.

71125199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5670, while the sum is 35.

The square root of 71125199 is about 8433.5756948047. The cubic root of 71125199 is about 414.3250246204.

The spelling of 71125199 in words is "seventy-one million, one hundred twenty-five thousand, one hundred ninety-nine".