126044005 has 16 divisors (see below), whose sum is σ = 164707200. Its totient is φ = 92232000.

The previous prime is 126043987. The next prime is 126044021. The reversal of 126044005 is 500440621.

It is not a de Polignac number, because 126044005 - 2²¹ = 123946853 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20121 + ... + 25630.

It is an arithmetic number, because the mean of its divisors is an integer number (10294200).

Almost surely, 2^126044005 is an apocalyptic number.

It is an amenable number.

126044005 is a deficient number, since it is larger than the sum of its proper divisors (38663195).

126044005 is a wasteful number, since it uses less digits than its factorization.

126044005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45804.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 126044005 is about 11226.9321277008. The cubic root of 126044005 is about 501.3881491838.

Adding to 126044005 its reverse (500440621), we get a palindrome (626484626).

The spelling of 126044005 in words is "one hundred twenty-six million, forty-four thousand, five".