115925947 has 2 divisors, whose sum is σ = 115925948. Its totient is φ = 115925946.

The previous prime is 115925939. The next prime is 115925959. The reversal of 115925947 is 749529511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115925947 - 2³ = 115925939 is a prime.

It is not a weakly prime, because it can be changed into another prime (115925917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57962973 + 57962974.

It is an arithmetic number, because the mean of its divisors is an integer number (57962974).

Almost surely, 2^115925947 is an apocalyptic number.

115925947 is a deficient number, since it is larger than the sum of its proper divisors (1).

115925947 is an equidigital number, since it uses as much as digits as its factorization.

115925947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 113400, while the sum is 43.

The square root of 115925947 is about 10766.8912412079. The cubic root of 115925947 is about 487.5960934395.

The spelling of 115925947 in words is "one hundred fifteen million, nine hundred twenty-five thousand, nine hundred forty-seven".