126106043 has 4 divisors (see below), whose sum is σ = 144121200. Its totient is φ = 108090888.

The previous prime is 126106039. The next prime is 126106061. The reversal of 126106043 is 340601621.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340601621 = 47 ⋅7246843.

It is a cyclic number.

It is not a de Polignac number, because 126106043 - 2² = 126106039 is a prime.

It is a super-2 number, since 2×126106043² = 31805468162235698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126106063) 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, 9007568 + ... + 9007581.

It is an arithmetic number, because the mean of its divisors is an integer number (36030300).

Almost surely, 2^126106043 is an apocalyptic number.

126106043 is a deficient number, since it is larger than the sum of its proper divisors (18015157).

126106043 is an equidigital number, since it uses as much as digits as its factorization.

126106043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18015156.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 126106043 is about 11229.6946975419. The cubic root of 126106043 is about 501.4703956346.

Adding to 126106043 its reverse (340601621), we get a palindrome (466707664).

The spelling of 126106043 in words is "one hundred twenty-six million, one hundred six thousand, forty-three".