115740731 has 2 divisors, whose sum is σ = 115740732. Its totient is φ = 115740730.

The previous prime is 115740719. The next prime is 115740787. The reversal of 115740731 is 137047511.

It is a weak prime.

It is an emirp because it is prime and its reverse (137047511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115740731 - 2²² = 111546427 is a prime.

It is a super-2 number, since 2×115740731² = 26791833624828722, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 115740694 and 115740703.

It is not a weakly prime, because it can be changed into another prime (115700731) 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, 57870365 + 57870366.

It is an arithmetic number, because the mean of its divisors is an integer number (57870366).

Almost surely, 2^115740731 is an apocalyptic number.

115740731 is a deficient number, since it is larger than the sum of its proper divisors (1).

115740731 is an equidigital number, since it uses as much as digits as its factorization.

115740731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2940, while the sum is 29.

The square root of 115740731 is about 10758.2866200897. The cubic root of 115740731 is about 487.3362760307.

The spelling of 115740731 in words is "one hundred fifteen million, seven hundred forty thousand, seven hundred thirty-one".