126002043 has 6 divisors (see below), whose sum is σ = 182002964. Its totient is φ = 84001356.

The previous prime is 126002039. The next prime is 126002059. The reversal of 126002043 is 340200621.

It is a happy number.

126002043 is a `hidden beast` number, since 1 + 2 + 600 + 20 + 43 = 666.

It is not a de Polignac number, because 126002043 - 2² = 126002039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126002543) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7000105 + ... + 7000122.

Almost surely, 2^126002043 is an apocalyptic number.

126002043 is a deficient number, since it is larger than the sum of its proper divisors (56000921).

126002043 is a wasteful number, since it uses less digits than its factorization.

126002043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14000233 (or 14000230 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 126002043 is about 11225.0631624058. The cubic root of 126002043 is about 501.3325030500.

Adding to 126002043 its reverse (340200621), we get a palindrome (466202664).

The spelling of 126002043 in words is "one hundred twenty-six million, two thousand, forty-three".