126104012043 has 8 divisors (see below), whose sum is σ = 170267020800. Its totient is φ = 83005172328.

The previous prime is 126104012039. The next prime is 126104012063. The reversal of 126104012043 is 340210401621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 126104012043 - 2² = 126104012039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126104012033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266041983 + ... + 266042456.

It is an arithmetic number, because the mean of its divisors is an integer number (21283377600).

Almost surely, 2^126104012043 is an apocalyptic number.

126104012043 is a deficient number, since it is larger than the sum of its proper divisors (44163008757).

126104012043 is an equidigital number, since it uses as much as digits as its factorization.

126104012043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532084521.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 126104012043 its reverse (340210401621), we get a palindrome (466314413664).

The spelling of 126104012043 in words is "one hundred twenty-six billion, one hundred four million, twelve thousand, forty-three".