126734458 has 4 divisors (see below), whose sum is σ = 190101690. Its totient is φ = 63367228.

The previous prime is 126734449. The next prime is 126734521. The reversal of 126734458 is 854437621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 854437621 = 18757 ⋅45553.

It can be written as a sum of positive squares in only one way, i.e., 122478489 + 4255969 = 11067^2 + 2063^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 126734458.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31683613 + ... + 31683616.

Almost surely, 2^126734458 is an apocalyptic number.

126734458 is a deficient number, since it is larger than the sum of its proper divisors (63367232).

126734458 is an equidigital number, since it uses as much as digits as its factorization.

126734458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63367231.

The product of its digits is 161280, while the sum is 40.

The square root of 126734458 is about 11257.6399835845. The cubic root of 126734458 is about 502.3019960303.

The spelling of 126734458 in words is "one hundred twenty-six million, seven hundred thirty-four thousand, four hundred fifty-eight".