126224500 has 24 divisors (see below), whose sum is σ = 275675400. Its totient is φ = 50489600.

The previous prime is 126224477. The next prime is 126224521. The reversal of 126224500 is 5422621.

It can be written as a sum of positive squares in 4 ways, for example, as 17606416 + 108618084 = 4196^2 + 10422^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125725 + ... + 126724.

It is an arithmetic number, because the mean of its divisors is an integer number (11486475).

Almost surely, 2^126224500 is an apocalyptic number.

126224500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

126224500 is an abundant number, since it is smaller than the sum of its proper divisors (149450900).

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

126224500 is a wasteful number, since it uses less digits than its factorization.

126224500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252468 (or 252456 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 126224500 is about 11234.9677347111. The cubic root of 126224500 is about 501.6273642912.

The spelling of 126224500 in words is "one hundred twenty-six million, two hundred twenty-four thousand, five hundred".