1091982902 has 8 divisors (see below), whose sum is σ = 1642923912. Its totient is φ = 544341600.

The previous prime is 1091982883. The next prime is 1091982917. The reversal of 1091982902 is 2092891901.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1091982902.

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 3 ways as a sum of consecutive naturals, for example, 824099 + ... + 825422.

It is an arithmetic number, because the mean of its divisors is an integer number (205365489).

Almost surely, 2^1091982902 is an apocalyptic number.

1091982902 is a deficient number, since it is larger than the sum of its proper divisors (550941010).

1091982902 is a wasteful number, since it uses less digits than its factorization.

1091982902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649854.

The product of its (nonzero) digits is 23328, while the sum is 41.

The square root of 1091982902 is about 33045.1645781951. The cubic root of 1091982902 is about 1029.7661523351.

The spelling of 1091982902 in words is "one billion, ninety-one million, nine hundred eighty-two thousand, nine hundred two".