115312241 has 8 divisors (see below), whose sum is σ = 133195104. Its totient is φ = 98662720.

The previous prime is 115312229. The next prime is 115312277. The reversal of 115312241 is 142213511.

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

It is a cyclic number.

It is not a de Polignac number, because 115312241 - 2¹⁸ = 115050097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115362241) 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, 308135 + ... + 308508.

It is an arithmetic number, because the mean of its divisors is an integer number (16649388).

Almost surely, 2^115312241 is an apocalyptic number.

115312241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

115312241 is a deficient number, since it is larger than the sum of its proper divisors (17882863).

115312241 is a wasteful number, since it uses less digits than its factorization.

115312241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616671.

The product of its digits is 240, while the sum is 20.

The square root of 115312241 is about 10738.3537378874. The cubic root of 115312241 is about 486.7341343777.

Adding to 115312241 its reverse (142213511), we get a palindrome (257525752).

The spelling of 115312241 in words is "one hundred fifteen million, three hundred twelve thousand, two hundred forty-one".