126766428 has 12 divisors (see below), whose sum is σ = 295788360. Its totient is φ = 42255472.

The previous prime is 126766417. The next prime is 126766429. The reversal of 126766428 is 824667621.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 126766428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126766429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5281923 + ... + 5281946.

It is an arithmetic number, because the mean of its divisors is an integer number (24649030).

Almost surely, 2^126766428 is an apocalyptic number.

It is an amenable number.

126766428 is an abundant number, since it is smaller than the sum of its proper divisors (169021932).

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

126766428 is a wasteful number, since it uses less digits than its factorization.

126766428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10563876 (or 10563874 counting only the distinct ones).

The product of its digits is 193536, while the sum is 42.

The square root of 126766428 is about 11259.0598186527. The cubic root of 126766428 is about 502.3442293343.

The spelling of 126766428 in words is "one hundred twenty-six million, seven hundred sixty-six thousand, four hundred twenty-eight".