126708644 has 24 divisors (see below), whose sum is σ = 234121440. Its totient is φ = 59837184.

The previous prime is 126708629. The next prime is 126708649. The reversal of 126708644 is 446807621.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 126708598 and 126708607.

It is not an unprimeable number, because it can be changed into a prime (126708649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24467 + ... + 29189.

It is an arithmetic number, because the mean of its divisors is an integer number (9755060).

Almost surely, 2^126708644 is an apocalyptic number.

It is an amenable number.

126708644 is a deficient number, since it is larger than the sum of its proper divisors (107412796).

126708644 is a wasteful number, since it uses less digits than its factorization.

126708644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5099 (or 5097 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 126708644 is about 11256.4934149139. The cubic root of 126708644 is about 502.2678897991.

The spelling of 126708644 in words is "one hundred twenty-six million, seven hundred eight thousand, six hundred forty-four".