115126013 has 2 divisors, whose sum is σ = 115126014. Its totient is φ = 115126012.

The previous prime is 115126009. The next prime is 115126019. The reversal of 115126013 is 310621511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105719524 + 9406489 = 10282^2 + 3067^2 .

It is an emirp because it is prime and its reverse (310621511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115126013 - 2² = 115126009 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115126019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57563006 + 57563007.

It is an arithmetic number, because the mean of its divisors is an integer number (57563007).

Almost surely, 2^115126013 is an apocalyptic number.

It is an amenable number.

115126013 is a deficient number, since it is larger than the sum of its proper divisors (1).

115126013 is an equidigital number, since it uses as much as digits as its factorization.

115126013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 115126013 is about 10729.6790725538. The cubic root of 115126013 is about 486.4719697728.

Adding to 115126013 its reverse (310621511), we get a palindrome (425747524).

The spelling of 115126013 in words is "one hundred fifteen million, one hundred twenty-six thousand, thirteen".