115172119 has 2 divisors, whose sum is σ = 115172120. Its totient is φ = 115172118.

The previous prime is 115172117. The next prime is 115172131. The reversal of 115172119 is 911271511.

It is a weak prime.

It is an emirp because it is prime and its reverse (911271511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115172119 - 2¹ = 115172117 is a prime.

It is a super-2 number, since 2×115172119² = 26529233989900322, which contains 22 as substring.

Together with 115172117, 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 (115172117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57586059 + 57586060.

It is an arithmetic number, because the mean of its divisors is an integer number (57586060).

Almost surely, 2^115172119 is an apocalyptic number.

115172119 is a deficient number, since it is larger than the sum of its proper divisors (1).

115172119 is an equidigital number, since it uses as much as digits as its factorization.

115172119 is an evil number, because the sum of its binary digits is even.

The product of its digits is 630, while the sum is 28.

The square root of 115172119 is about 10731.8273840013. The cubic root of 115172119 is about 486.5369023412.

The spelling of 115172119 in words is "one hundred fifteen million, one hundred seventy-two thousand, one hundred nineteen".