126210244 has 12 divisors (see below), whose sum is σ = 233860284. Its totient is φ = 59393024.

The previous prime is 126210241. The next prime is 126210251. The reversal of 126210244 is 442012621.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 95296644 + 30913600 = 9762^2 + 5560^2 .

It is not an unprimeable number, because it can be changed into a prime (126210241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 927949 + ... + 928084.

It is an arithmetic number, because the mean of its divisors is an integer number (19488357).

Almost surely, 2^126210244 is an apocalyptic number.

It is an amenable number.

126210244 is a deficient number, since it is larger than the sum of its proper divisors (107650040).

126210244 is a wasteful number, since it uses less digits than its factorization.

126210244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1856054 (or 1856052 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 126210244 is about 11234.3332690463. Note that the first 3 decimals coincide. The cubic root of 126210244 is about 501.6084787105.

Adding to 126210244 its reverse (442012621), we get a palindrome (568222865).

The spelling of 126210244 in words is "one hundred twenty-six million, two hundred ten thousand, two hundred forty-four".