126198626 has 8 divisors (see below), whose sum is σ = 190973484. Its totient is φ = 62540800.

The previous prime is 126198623. The next prime is 126198637. The reversal of 126198626 is 626891621.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 121992025 + 4206601 = 11045^2 + 2051^2 .

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

It is not an unprimeable number, because it can be changed into a prime (126198623) 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, 278975 + ... + 279426.

Almost surely, 2^126198626 is an apocalyptic number.

126198626 is a deficient number, since it is larger than the sum of its proper divisors (64774858).

126198626 is a wasteful number, since it uses less digits than its factorization.

126198626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558516.

The product of its digits is 62208, while the sum is 41.

The square root of 126198626 is about 11233.8161815120. The cubic root of 126198626 is about 501.5930867583.

The spelling of 126198626 in words is "one hundred twenty-six million, one hundred ninety-eight thousand, six hundred twenty-six".