115239937 has 2 divisors, whose sum is σ = 115239938. Its totient is φ = 115239936.

The previous prime is 115239931. The next prime is 115239973. The reversal of 115239937 is 739932511.

Together with next prime (115239973) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113401201 + 1838736 = 10649^2 + 1356^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115239937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115239937.

It is not a weakly prime, because it can be changed into another prime (115239931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57619968 + 57619969.

It is an arithmetic number, because the mean of its divisors is an integer number (57619969).

Almost surely, 2^115239937 is an apocalyptic number.

It is an amenable number.

115239937 is a deficient number, since it is larger than the sum of its proper divisors (1).

115239937 is an equidigital number, since it uses as much as digits as its factorization.

115239937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51030, while the sum is 40.

The square root of 115239937 is about 10734.9865859255. The cubic root of 115239937 is about 486.6323811359.

The spelling of 115239937 in words is "one hundred fifteen million, two hundred thirty-nine thousand, nine hundred thirty-seven".