1128276766 has 8 divisors (see below), whose sum is σ = 1695177864. Its totient is φ = 563217480.

The previous prime is 1128276739. The next prime is 1128276769. The reversal of 1128276766 is 6676728211.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1128276769) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 458920 + ... + 461371.

It is an arithmetic number, because the mean of its divisors is an integer number (211897233).

Almost surely, 2^1128276766 is an apocalyptic number.

1128276766 is a deficient number, since it is larger than the sum of its proper divisors (566901098).

1128276766 is an equidigital number, since it uses as much as digits as its factorization.

1128276766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920906.

The product of its digits is 338688, while the sum is 46.

The square root of 1128276766 is about 33589.8312886504. The cubic root of 1128276766 is about 1041.0507027964.

The spelling of 1128276766 in words is "one billion, one hundred twenty-eight million, two hundred seventy-six thousand, seven hundred sixty-six".