115120237 has 4 divisors (see below), whose sum is σ = 117007516. Its totient is φ = 113232960.

The previous prime is 115120223. The next prime is 115120289. The reversal of 115120237 is 732021511.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35928036 + 79192201 = 5994^2 + 8899^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-115120237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115120207) 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, 943548 + ... + 943669.

It is an arithmetic number, because the mean of its divisors is an integer number (29251879).

Almost surely, 2^115120237 is an apocalyptic number.

It is an amenable number.

115120237 is a deficient number, since it is larger than the sum of its proper divisors (1887279).

115120237 is an equidigital number, since it uses as much as digits as its factorization.

115120237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1887278.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 115120237 is about 10729.4099092168. The cubic root of 115120237 is about 486.4638340237.

Adding to 115120237 its reverse (732021511), we get a palindrome (847141748).

The spelling of 115120237 in words is "one hundred fifteen million, one hundred twenty thousand, two hundred thirty-seven".