126682644 has 72 divisors (see below), whose sum is σ = 332627680. Its totient is φ = 37477440.

The previous prime is 126682639. The next prime is 126682649. The reversal of 126682644 is 446286621.

It is an interprime number because it is at equal distance from previous prime (126682639) and next prime (126682649).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126682649) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 61422 + ... + 63450.

Almost surely, 2^126682644 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126682644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166313840).

126682644 is an abundant number, since it is smaller than the sum of its proper divisors (205945036).

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

126682644 is a wasteful number, since it uses less digits than its factorization.

126682644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101 (or 2088 counting only the distinct ones).

The product of its digits is 110592, while the sum is 39.

The square root of 126682644 is about 11255.3384667010. The cubic root of 126682644 is about 502.2335331363.

The spelling of 126682644 in words is "one hundred twenty-six million, six hundred eighty-two thousand, six hundred forty-four".