115598729 has 2 divisors, whose sum is σ = 115598730. Its totient is φ = 115598728.

The previous prime is 115598699. The next prime is 115598753. The reversal of 115598729 is 927895511.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111091600 + 4507129 = 10540^2 + 2123^2 .

It is an emirp because it is prime and its reverse (927895511) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115598729 is a prime.

It is a super-2 number, since 2×115598729² = 26726132292830882, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (115598779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57799364 + 57799365.

It is an arithmetic number, because the mean of its divisors is an integer number (57799365).

Almost surely, 2^115598729 is an apocalyptic number.

It is an amenable number.

115598729 is a deficient number, since it is larger than the sum of its proper divisors (1).

115598729 is an equidigital number, since it uses as much as digits as its factorization.

115598729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 47.

The square root of 115598729 is about 10751.6849377202. The cubic root of 115598729 is about 487.1368905994.

The spelling of 115598729 in words is "one hundred fifteen million, five hundred ninety-eight thousand, seven hundred twenty-nine".