126253867 has 2 divisors, whose sum is σ = 126253868. Its totient is φ = 126253866.

The previous prime is 126253847. The next prime is 126253889. The reversal of 126253867 is 768352621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126253867 - 2²³ = 117865259 is a prime.

It is not a weakly prime, because it can be changed into another prime (126253817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63126933 + 63126934.

It is an arithmetic number, because the mean of its divisors is an integer number (63126934).

Almost surely, 2^126253867 is an apocalyptic number.

126253867 is a deficient number, since it is larger than the sum of its proper divisors (1).

126253867 is an equidigital number, since it uses as much as digits as its factorization.

126253867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 40.

The square root of 126253867 is about 11236.2746050459. The cubic root of 126253867 is about 501.6662636293. Note that the first 3 decimals are identical.

The spelling of 126253867 in words is "one hundred twenty-six million, two hundred fifty-three thousand, eight hundred sixty-seven".