115280427 has 4 divisors (see below), whose sum is σ = 153707240. Its totient is φ = 76853616.

The previous prime is 115280411. The next prime is 115280437. The reversal of 115280427 is 724082511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 724082511 = 3 ⋅241360837.

It is not a de Polignac number, because 115280427 - 2⁴ = 115280411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115280394 and 115280403.

It is not an unprimeable number, because it can be changed into a prime (115280437) 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, 19213402 + ... + 19213407.

It is an arithmetic number, because the mean of its divisors is an integer number (38426810).

Almost surely, 2^115280427 is an apocalyptic number.

115280427 is a deficient number, since it is larger than the sum of its proper divisors (38426813).

115280427 is an equidigital number, since it uses as much as digits as its factorization.

115280427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38426812.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 115280427 is about 10736.8723099420. The cubic root of 115280427 is about 486.6893678554.

The spelling of 115280427 in words is "one hundred fifteen million, two hundred eighty thousand, four hundred twenty-seven".