113251129 has 2 divisors, whose sum is σ = 113251130. Its totient is φ = 113251128.

The previous prime is 113251123. The next prime is 113251139. The reversal of 113251129 is 921152311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79923600 + 33327529 = 8940^2 + 5773^2 .

It is a cyclic number.

It is not a de Polignac number, because 113251129 - 2⁵ = 113251097 is a prime.

It is not a weakly prime, because it can be changed into another prime (113251123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56625564 + 56625565.

It is an arithmetic number, because the mean of its divisors is an integer number (56625565).

Almost surely, 2^113251129 is an apocalyptic number.

It is an amenable number.

113251129 is a deficient number, since it is larger than the sum of its proper divisors (1).

113251129 is an equidigital number, since it uses as much as digits as its factorization.

113251129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 540, while the sum is 25.

The square root of 113251129 is about 10641.9513718115. The cubic root of 113251129 is about 483.8166908791.

The spelling of 113251129 in words is "one hundred thirteen million, two hundred fifty-one thousand, one hundred twenty-nine".