115744121 has 2 divisors, whose sum is σ = 115744122. Its totient is φ = 115744120.

The previous prime is 115744091. The next prime is 115744199. The reversal of 115744121 is 121447511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 103938025 + 11806096 = 10195^2 + 3436^2 .

It is a cyclic number.

It is not a de Polignac number, because 115744121 - 2¹⁰ = 115743097 is a prime.

It is not a weakly prime, because it can be changed into another prime (115746121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57872060 + 57872061.

It is an arithmetic number, because the mean of its divisors is an integer number (57872061).

Almost surely, 2^115744121 is an apocalyptic number.

It is an amenable number.

115744121 is a deficient number, since it is larger than the sum of its proper divisors (1).

115744121 is an equidigital number, since it uses as much as digits as its factorization.

115744121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1120, while the sum is 26.

The square root of 115744121 is about 10758.4441719052. Note that the first 3 decimals coincide. The cubic root of 115744121 is about 487.3410339462.

The spelling of 115744121 in words is "one hundred fifteen million, seven hundred forty-four thousand, one hundred twenty-one".