1121732806 has 4 divisors (see below), whose sum is σ = 1682599212. Its totient is φ = 560866402.

The previous prime is 1121732779. The next prime is 1121732837. The reversal of 1121732806 is 6082371211.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 280433200 + ... + 280433203.

It is an arithmetic number, because the mean of its divisors is an integer number (420649803).

Almost surely, 2^1121732806 is an apocalyptic number.

1121732806 is a deficient number, since it is larger than the sum of its proper divisors (560866406).

1121732806 is an equidigital number, since it uses as much as digits as its factorization.

1121732806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560866405.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 1121732806 is about 33492.2797969920. The cubic root of 1121732806 is about 1039.0341149369.

The spelling of 1121732806 in words is "one billion, one hundred twenty-one million, seven hundred thirty-two thousand, eight hundred six".