126109427 has 2 divisors, whose sum is σ = 126109428. Its totient is φ = 126109426.

The previous prime is 126109381. The next prime is 126109433. The reversal of 126109427 is 724901621.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126109427 - 2⁸ = 126109171 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 126109393 and 126109402.

It is not a weakly prime, because it can be changed into another prime (126109447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63054713 + 63054714.

It is an arithmetic number, because the mean of its divisors is an integer number (63054714).

Almost surely, 2^126109427 is an apocalyptic number.

126109427 is a deficient number, since it is larger than the sum of its proper divisors (1).

126109427 is an equidigital number, since it uses as much as digits as its factorization.

126109427 is an evil number, because the sum of its binary digits is even.

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

The square root of 126109427 is about 11229.8453684813. The cubic root of 126109427 is about 501.4748811734.

The spelling of 126109427 in words is "one hundred twenty-six million, one hundred nine thousand, four hundred twenty-seven".