126479434 has 4 divisors (see below), whose sum is σ = 189719154. Its totient is φ = 63239716.

The previous prime is 126479417. The next prime is 126479477. The reversal of 126479434 is 434974621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 434974621 = 197 ⋅2207993.

It can be written as a sum of positive squares in only one way, i.e., 65561409 + 60918025 = 8097^2 + 7805^2 .

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 an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31619857 + ... + 31619860.

Almost surely, 2^126479434 is an apocalyptic number.

126479434 is a deficient number, since it is larger than the sum of its proper divisors (63239720).

126479434 is an equidigital number, since it uses as much as digits as its factorization.

126479434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63239719.

The product of its digits is 145152, while the sum is 40.

The square root of 126479434 is about 11246.3075718211. The cubic root of 126479434 is about 501.9648473028.

The spelling of 126479434 in words is "one hundred twenty-six million, four hundred seventy-nine thousand, four hundred thirty-four".