126270043 has 4 divisors (see below), whose sum is σ = 126676368. Its totient is φ = 125863720.

The previous prime is 126270019. The next prime is 126270047. The reversal of 126270043 is 340072621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 126270043 - 2⁹ = 126269531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126270047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202696 + ... + 203317.

It is an arithmetic number, because the mean of its divisors is an integer number (31669092).

Almost surely, 2^126270043 is an apocalyptic number.

126270043 is a deficient number, since it is larger than the sum of its proper divisors (406325).

126270043 is an equidigital number, since it uses as much as digits as its factorization.

126270043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406324.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 126270043 is about 11236.9943935200. The cubic root of 126270043 is about 501.6876876779.

The spelling of 126270043 in words is "one hundred twenty-six million, two hundred seventy thousand, forty-three".