126776328 has 96 divisors (see below), whose sum is σ = 374421600. Its totient is φ = 35659008.

The previous prime is 126776323. The next prime is 126776389. The reversal of 126776328 is 823677621.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 126776328.

It is not an unprimeable number, because it can be changed into a prime (126776323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77988 + ... + 79596.

It is an arithmetic number, because the mean of its divisors is an integer number (3900225).

Almost surely, 2^126776328 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 126776328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187210800).

126776328 is an abundant number, since it is smaller than the sum of its proper divisors (247645272).

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

126776328 is a wasteful number, since it uses less digits than its factorization.

126776328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1699 (or 1688 counting only the distinct ones).

The product of its digits is 169344, while the sum is 42.

The square root of 126776328 is about 11259.4994560149. The cubic root of 126776328 is about 502.3573060837.

The spelling of 126776328 in words is "one hundred twenty-six million, seven hundred seventy-six thousand, three hundred twenty-eight".