115120238 has 4 divisors (see below), whose sum is σ = 172680360. Its totient is φ = 57560118.

The previous prime is 115120223. The next prime is 115120289. The reversal of 115120238 is 832021511.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 832021511 = 227 ⋅3665293.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28780058 + ... + 28780061.

It is an arithmetic number, because the mean of its divisors is an integer number (43170090).

Almost surely, 2^115120238 is an apocalyptic number.

115120238 is a deficient number, since it is larger than the sum of its proper divisors (57560122).

115120238 is an equidigital number, since it uses as much as digits as its factorization.

115120238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57560121.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 115120238 is about 10729.4099558177. The cubic root of 115120238 is about 486.4638354322.

Adding to 115120238 its reverse (832021511), we get a palindrome (947141749).

The spelling of 115120238 in words is "one hundred fifteen million, one hundred twenty thousand, two hundred thirty-eight".