115709949 has 12 divisors (see below), whose sum is σ = 172528512. Its totient is φ = 74651400.

The previous prime is 115709933. The next prime is 115709963. The reversal of 115709949 is 949907511.

It is not a de Polignac number, because 115709949 - 2⁴ = 115709933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115709969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 207087 + ... + 207644.

It is an arithmetic number, because the mean of its divisors is an integer number (14377376).

Almost surely, 2^115709949 is an apocalyptic number.

It is an amenable number.

115709949 is a deficient number, since it is larger than the sum of its proper divisors (56818563).

115709949 is a wasteful number, since it uses less digits than its factorization.

115709949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414768 (or 414765 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 45.

The square root of 115709949 is about 10756.8559068159. The cubic root of 115709949 is about 487.2930687829.

The spelling of 115709949 in words is "one hundred fifteen million, seven hundred nine thousand, nine hundred forty-nine".