126324644 has 12 divisors (see below), whose sum is σ = 222035100. Its totient is φ = 62886048.

The previous prime is 126324643. The next prime is 126324647. The reversal of 126324644 is 446423621.

It can be written as a sum of positive squares in 2 ways, for example, as 79566400 + 46758244 = 8920^2 + 6838^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 126324644.

It is not an unprimeable number, because it can be changed into a prime (126324641) 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, 68039 + ... + 69870.

It is an arithmetic number, because the mean of its divisors is an integer number (18502925).

Almost surely, 2^126324644 is an apocalyptic number.

It is an amenable number.

126324644 is a deficient number, since it is larger than the sum of its proper divisors (95710456).

126324644 is a wasteful number, since it uses less digits than its factorization.

126324644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138142 (or 138140 counting only the distinct ones).

The product of its digits is 27648, while the sum is 32.

The square root of 126324644 is about 11239.4236507038. The cubic root of 126324644 is about 501.7599896043.

The spelling of 126324644 in words is "one hundred twenty-six million, three hundred twenty-four thousand, six hundred forty-four".