126112499 has 2 divisors, whose sum is σ = 126112500. Its totient is φ = 126112498.

The previous prime is 126112487. The next prime is 126112501. The reversal of 126112499 is 994211621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126112499 - 2²⁰ = 125063923 is a prime.

Together with 126112501, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (126112429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63056249 + 63056250.

It is an arithmetic number, because the mean of its divisors is an integer number (63056250).

Almost surely, 2^126112499 is an apocalyptic number.

126112499 is a deficient number, since it is larger than the sum of its proper divisors (1).

126112499 is an equidigital number, since it uses as much as digits as its factorization.

126112499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 35.

The square root of 126112499 is about 11229.9821460232. The cubic root of 126112499 is about 501.4789530823.

The spelling of 126112499 in words is "one hundred twenty-six million, one hundred twelve thousand, four hundred ninety-nine".