115042747 has 4 divisors (see below), whose sum is σ = 115080616. Its totient is φ = 115004880.

The previous prime is 115042729. The next prime is 115042769. The reversal of 115042747 is 747240511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 747240511 = 229 ⋅3263059.

It is a cyclic number.

It is not a de Polignac number, because 115042747 - 2¹¹ = 115040699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115042717) 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, 13938 + ... + 20599.

It is an arithmetic number, because the mean of its divisors is an integer number (28770154).

Almost surely, 2^115042747 is an apocalyptic number.

115042747 is a deficient number, since it is larger than the sum of its proper divisors (37869).

115042747 is an equidigital number, since it uses as much as digits as its factorization.

115042747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37868.

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 115042747 is about 10725.7981987356. The cubic root of 115042747 is about 486.3546596373.

The spelling of 115042747 in words is "one hundred fifteen million, forty-two thousand, seven hundred forty-seven".