115205039 has 8 divisors (see below), whose sum is σ = 124957728. Its totient is φ = 105783040.

The previous prime is 115205011. The next prime is 115205059. The reversal of 115205039 is 930502511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115205039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115204999 and 115205017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115205059) 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 7 ways as a sum of consecutive naturals, for example, 81947 + ... + 83340.

It is an arithmetic number, because the mean of its divisors is an integer number (15619716).

Almost surely, 2^115205039 is an apocalyptic number.

115205039 is a deficient number, since it is larger than the sum of its proper divisors (9752689).

115205039 is a wasteful number, since it uses less digits than its factorization.

115205039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165345.

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 115205039 is about 10733.3610299850. The cubic root of 115205039 is about 486.5832540368.

The spelling of 115205039 in words is "one hundred fifteen million, two hundred five thousand, thirty-nine".