115456729 has 2 divisors, whose sum is σ = 115456730. Its totient is φ = 115456728.

The previous prime is 115456709. The next prime is 115456739. The reversal of 115456729 is 927654511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91642329 + 23814400 = 9573^2 + 4880^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115456729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115456691 and 115456700.

It is not a weakly prime, because it can be changed into another prime (115456709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57728364 + 57728365.

It is an arithmetic number, because the mean of its divisors is an integer number (57728365).

Almost surely, 2^115456729 is an apocalyptic number.

It is an amenable number.

115456729 is a deficient number, since it is larger than the sum of its proper divisors (1).

115456729 is an equidigital number, since it uses as much as digits as its factorization.

115456729 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 40.

The square root of 115456729 is about 10745.0792924017. The cubic root of 115456729 is about 486.9373446288.

The spelling of 115456729 in words is "one hundred fifteen million, four hundred fifty-six thousand, seven hundred twenty-nine".