126044646 has 64 divisors (see below), whose sum is σ = 323785728. Its totient is φ = 31794048.

The previous prime is 126044617. The next prime is 126044671. The reversal of 126044646 is 646440621.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7540 + ... + 17576.

It is an arithmetic number, because the mean of its divisors is an integer number (5059152).

Almost surely, 2^126044646 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126044646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161892864).

126044646 is an abundant number, since it is smaller than the sum of its proper divisors (197741082).

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

126044646 is a wasteful number, since it uses less digits than its factorization.

126044646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10085.

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 126044646 is about 11226.9606750892. The cubic root of 126044646 is about 501.3889991231.

The spelling of 126044646 in words is "one hundred twenty-six million, forty-four thousand, six hundred forty-six".