126363726 has 40 divisors (see below), whose sum is σ = 285988824. Its totient is φ = 41698800.

The previous prime is 126363709. The next prime is 126363749. The reversal of 126363726 is 627363621.

126363726 is a `hidden beast` number, since 12 + 6 + 3 + 637 + 2 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 12501 + ... + 20223.

Almost surely, 2^126363726 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 126363726, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142994412).

126363726 is an abundant number, since it is smaller than the sum of its proper divisors (159625098).

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

126363726 is a wasteful number, since it uses less digits than its factorization.

126363726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7838 (or 7829 counting only the distinct ones).

The product of its digits is 54432, while the sum is 36.

The square root of 126363726 is about 11241.1621285346. The cubic root of 126363726 is about 501.8117286827.

The spelling of 126363726 in words is "one hundred twenty-six million, three hundred sixty-three thousand, seven hundred twenty-six".