126222126 has 8 divisors (see below), whose sum is σ = 252444264. Its totient is φ = 42074040.

The previous prime is 126222101. The next prime is 126222143. The reversal of 126222126 is 621222621.

It is a happy number.

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

126222126 is an admirable number.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 126222096 and 126222105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10518505 + ... + 10518516.

It is an arithmetic number, because the mean of its divisors is an integer number (31555533).

Almost surely, 2^126222126 is an apocalyptic number.

126222126 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126222126 is a wasteful number, since it uses less digits than its factorization.

126222126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21037026.

The product of its digits is 1152, while the sum is 24.

The square root of 126222126 is about 11234.8620819305. The cubic root of 126222126 is about 501.6242194426.

Adding to 126222126 its reverse (621222621), we get a palindrome (747444747).

The spelling of 126222126 in words is "one hundred twenty-six million, two hundred twenty-two thousand, one hundred twenty-six".