126263928 has 128 divisors (see below), whose sum is σ = 386104320. Its totient is φ = 33623040.

The previous prime is 126263909. The next prime is 126263989. The reversal of 126263928 is 829362621.

It is a happy number.

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 31 ways as a sum of consecutive naturals, for example, 158026 + ... + 158822.

It is an arithmetic number, because the mean of its divisors is an integer number (3016440).

Almost surely, 2^126263928 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 126263928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193052160).

126263928 is an abundant number, since it is smaller than the sum of its proper divisors (259840392).

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

126263928 is a wasteful number, since it uses less digits than its factorization.

126263928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877 (or 873 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 126263928 is about 11236.7222978945. The cubic root of 126263928 is about 501.6795889775.

The spelling of 126263928 in words is "one hundred twenty-six million, two hundred sixty-three thousand, nine hundred twenty-eight".