126434806 has 4 divisors (see below), whose sum is σ = 189652212. Its totient is φ = 63217402.

The previous prime is 126434773. The next prime is 126434807. The reversal of 126434806 is 608434621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 608434621 = 109 ⋅5581969.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126434807) 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 as a sum of consecutive naturals, namely, 31608700 + ... + 31608703.

It is an arithmetic number, because the mean of its divisors is an integer number (47413053).

Almost surely, 2^126434806 is an apocalyptic number.

126434806 is a deficient number, since it is larger than the sum of its proper divisors (63217406).

126434806 is an equidigital number, since it uses as much as digits as its factorization.

126434806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63217405.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 126434806 is about 11244.3232788817. The cubic root of 126434806 is about 501.9058012803.

The spelling of 126434806 in words is "one hundred twenty-six million, four hundred thirty-four thousand, eight hundred six".