115047929 has 2 divisors, whose sum is σ = 115047930. Its totient is φ = 115047928.

The previous prime is 115047923. The next prime is 115047931. The reversal of 115047929 is 929740511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 95511529 + 19536400 = 9773^2 + 4420^2 .

It is a cyclic number.

It is not a de Polignac number, because 115047929 - 2¹² = 115043833 is a prime.

Together with 115047931, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 115047892 and 115047901.

It is not a weakly prime, because it can be changed into another prime (115047923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57523964 + 57523965.

It is an arithmetic number, because the mean of its divisors is an integer number (57523965).

Almost surely, 2^115047929 is an apocalyptic number.

It is an amenable number.

115047929 is a deficient number, since it is larger than the sum of its proper divisors (1).

115047929 is an equidigital number, since it uses as much as digits as its factorization.

115047929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 115047929 is about 10726.0397631185. The cubic root of 115047929 is about 486.3619620012.

The spelling of 115047929 in words is "one hundred fifteen million, forty-seven thousand, nine hundred twenty-nine".