126403034 has 8 divisors (see below), whose sum is σ = 190587540. Its totient is φ = 62873856.

The previous prime is 126403033. The next prime is 126403087. The reversal of 126403034 is 430304621.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 125372809 + 1030225 = 11197^2 + 1015^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (126403031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163349 + ... + 164120.

Almost surely, 2^126403034 is an apocalyptic number.

126403034 is a deficient number, since it is larger than the sum of its proper divisors (64184506).

126403034 is a wasteful number, since it uses less digits than its factorization.

126403034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327664.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 126403034 is about 11242.9103883292. The cubic root of 126403034 is about 501.8637561938.

Adding to 126403034 its reverse (430304621), we get a palindrome (556707655).

It can be divided in two parts, 12 and 6403034, that added together give a palindrome (6403046).

The spelling of 126403034 in words is "one hundred twenty-six million, four hundred three thousand, thirty-four".