126718234 has 4 divisors (see below), whose sum is σ = 190077354. Its totient is φ = 63359116.

The previous prime is 126718223. The next prime is 126718237. The reversal of 126718234 is 432817621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 432817621 = 379 ⋅1141999.

It can be written as a sum of positive squares in only one way, i.e., 112678225 + 14040009 = 10615^2 + 3747^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 126718234.

It is not an unprimeable number, because it can be changed into a prime (126718237) 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 as a sum of consecutive naturals, namely, 31679557 + ... + 31679560.

Almost surely, 2^126718234 is an apocalyptic number.

126718234 is a deficient number, since it is larger than the sum of its proper divisors (63359120).

126718234 is an equidigital number, since it uses as much as digits as its factorization.

126718234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63359119.

The product of its digits is 16128, while the sum is 34.

The square root of 126718234 is about 11256.9193832060. The cubic root of 126718234 is about 502.2805609355.

The spelling of 126718234 in words is "one hundred twenty-six million, seven hundred eighteen thousand, two hundred thirty-four".