115247687 has 4 divisors (see below), whose sum is σ = 120258480. Its totient is φ = 110236896.

The previous prime is 115247663. The next prime is 115247689. The reversal of 115247687 is 786742511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 786742511 = 167 ⋅4711033.

It is a cyclic number.

It is not a de Polignac number, because 115247687 - 2⁶ = 115247623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115247689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2505362 + ... + 2505407.

It is an arithmetic number, because the mean of its divisors is an integer number (30064620).

Almost surely, 2^115247687 is an apocalyptic number.

115247687 is a deficient number, since it is larger than the sum of its proper divisors (5010793).

115247687 is an equidigital number, since it uses as much as digits as its factorization.

115247687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5010792.

The product of its digits is 94080, while the sum is 41.

The square root of 115247687 is about 10735.3475491015. The cubic root of 115247687 is about 486.6432897280.

The spelling of 115247687 in words is "one hundred fifteen million, two hundred forty-seven thousand, six hundred eighty-seven".