126218234 has 8 divisors (see below), whose sum is σ = 200464308. Its totient is φ = 59396800.

The previous prime is 126218233. The next prime is 126218249. The reversal of 126218234 is 432812621.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 122036209 + 4182025 = 11047^2 + 2045^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 126218197 and 126218206.

It is not an unprimeable number, because it can be changed into a prime (126218233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1856117 + ... + 1856184.

Almost surely, 2^126218234 is an apocalyptic number.

126218234 is a deficient number, since it is larger than the sum of its proper divisors (74246074).

126218234 is a wasteful number, since it uses less digits than its factorization.

126218234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3712320.

The product of its digits is 4608, while the sum is 29.

The square root of 126218234 is about 11234.6888697462. The cubic root of 126218234 is about 501.6190636072.

The spelling of 126218234 in words is "one hundred twenty-six million, two hundred eighteen thousand, two hundred thirty-four".