126643284 has 48 divisors (see below), whose sum is σ = 345620800. Its totient is φ = 39991968.

The previous prime is 126643273. The next prime is 126643291. The reversal of 126643284 is 482346621.

126643284 is a `hidden beast` number, since 1 + 2 + 6 + 643 + 2 + 8 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28807 + ... + 32910.

Almost surely, 2^126643284 is an apocalyptic number.

It is an amenable number.

126643284 is an abundant number, since it is smaller than the sum of its proper divisors (218977516).

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

126643284 is a wasteful number, since it uses less digits than its factorization.

126643284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61749 (or 61741 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 126643284 is about 11253.5898272507. The cubic root of 126643284 is about 502.1815134887.

The spelling of 126643284 in words is "one hundred twenty-six million, six hundred forty-three thousand, two hundred eighty-four".