113776129 has 2 divisors, whose sum is σ = 113776130. Its totient is φ = 113776128.

The previous prime is 113776127. The next prime is 113776139. The reversal of 113776129 is 921677311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110817729 + 2958400 = 10527^2 + 1720^2 .

It is an emirp because it is prime and its reverse (921677311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113776129 - 2¹ = 113776127 is a prime.

Together with 113776127, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (113776127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56888064 + 56888065.

It is an arithmetic number, because the mean of its divisors is an integer number (56888065).

Almost surely, 2^113776129 is an apocalyptic number.

It is an amenable number.

113776129 is a deficient number, since it is larger than the sum of its proper divisors (1).

113776129 is an equidigital number, since it uses as much as digits as its factorization.

113776129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15876, while the sum is 37.

The square root of 113776129 is about 10666.5893799283. The cubic root of 113776129 is about 484.5631507637.

The spelling of 113776129 in words is "one hundred thirteen million, seven hundred seventy-six thousand, one hundred twenty-nine".