115012257 has 8 divisors (see below), whose sum is σ = 157090080. Its totient is φ = 74804640.

The previous prime is 115012223. The next prime is 115012277. The reversal of 115012257 is 752210511.

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

It is not a de Polignac number, because 115012257 - 2¹⁰ = 115011233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115012207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 467407 + ... + 467652.

It is an arithmetic number, because the mean of its divisors is an integer number (19636260).

Almost surely, 2^115012257 is an apocalyptic number.

It is an amenable number.

115012257 is a deficient number, since it is larger than the sum of its proper divisors (42077823).

115012257 is an equidigital number, since it uses as much as digits as its factorization.

115012257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935103.

The product of its (nonzero) digits is 700, while the sum is 24.

The square root of 115012257 is about 10724.3767651085. The cubic root of 115012257 is about 486.3116893380.

Adding to 115012257 its reverse (752210511), we get a palindrome (867222768).

The spelling of 115012257 in words is "one hundred fifteen million, twelve thousand, two hundred fifty-seven".