115121443 has 8 divisors (see below), whose sum is σ = 116594912. Its totient is φ = 113654016.

The previous prime is 115121431. The next prime is 115121453. The reversal of 115121443 is 344121511.

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 115121443 - 2²¹ = 113024291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115121453) 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, 46021 + ... + 48457.

It is an arithmetic number, because the mean of its divisors is an integer number (14574364).

Almost surely, 2^115121443 is an apocalyptic number.

115121443 is a deficient number, since it is larger than the sum of its proper divisors (1473469).

115121443 is an equidigital number, since it uses as much as digits as its factorization.

115121443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3021.

The product of its digits is 480, while the sum is 22.

The square root of 115121443 is about 10729.4661097372. The cubic root of 115121443 is about 486.4655327500.

Adding to 115121443 its reverse (344121511), we get a palindrome (459242954).

The spelling of 115121443 in words is "one hundred fifteen million, one hundred twenty-one thousand, four hundred forty-three".