1116754821 has 24 divisors (see below), whose sum is σ = 1985343360. Its totient is φ = 589057056.

The previous prime is 1116754817. The next prime is 1116754829. The reversal of 1116754821 is 1284576111.

1116754821 is a `hidden beast` number, since 11 + 167 + 5 + 482 + 1 = 666.

It is not a de Polignac number, because 1116754821 - 2² = 1116754817 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116754829) 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 23 ways as a sum of consecutive naturals, for example, 680961 + ... + 682598.

It is an arithmetic number, because the mean of its divisors is an integer number (82722640).

Almost surely, 2^1116754821 is an apocalyptic number.

It is an amenable number.

1116754821 is a deficient number, since it is larger than the sum of its proper divisors (868588539).

1116754821 is a wasteful number, since it uses less digits than its factorization.

1116754821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363585 (or 1363582 counting only the distinct ones).

The product of its digits is 13440, while the sum is 36.

The square root of 1116754821 is about 33417.8817551322. The cubic root of 1116754821 is about 1037.4948397866.

The spelling of 1116754821 in words is "one billion, one hundred sixteen million, seven hundred fifty-four thousand, eight hundred twenty-one".