126222372 has 72 divisors (see below), whose sum is σ = 331627296. Its totient is φ = 40449024.

The previous prime is 126222337. The next prime is 126222373. The reversal of 126222372 is 273222621.

126222372 is a `hidden beast` number, since 1 + 2 + 622 + 2 + 37 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (126222373) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103108 + ... + 104324.

Almost surely, 2^126222372 is an apocalyptic number.

126222372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126222372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165813648).

126222372 is an abundant number, since it is smaller than the sum of its proper divisors (205404924).

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

126222372 is a wasteful number, since it uses less digits than its factorization.

126222372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337 (or 1332 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 126222372 is about 11234.8730299901. The cubic root of 126222372 is about 501.6245453218.

Adding to 126222372 its reverse (273222621), we get a palindrome (399444993).

The spelling of 126222372 in words is "one hundred twenty-six million, two hundred twenty-two thousand, three hundred seventy-two".