126387113 has 2 divisors, whose sum is σ = 126387114. Its totient is φ = 126387112.

The previous prime is 126387073. The next prime is 126387119. The reversal of 126387113 is 311783621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65983129 + 60403984 = 8123^2 + 7772^2 .

It is a cyclic number.

It is not a de Polignac number, because 126387113 - 2²⁶ = 59278249 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 126387113.

It is not a weakly prime, because it can be changed into another prime (126387119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63193556 + 63193557.

It is an arithmetic number, because the mean of its divisors is an integer number (63193557).

Almost surely, 2^126387113 is an apocalyptic number.

It is an amenable number.

126387113 is a deficient number, since it is larger than the sum of its proper divisors (1).

126387113 is an equidigital number, since it uses as much as digits as its factorization.

126387113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 32.

The square root of 126387113 is about 11242.2023198304. The cubic root of 126387113 is about 501.8426846839.

The spelling of 126387113 in words is "one hundred twenty-six million, three hundred eighty-seven thousand, one hundred thirteen".