1091822104 has 8 divisors (see below), whose sum is σ = 2047166460. Its totient is φ = 545911048.

The previous prime is 1091822071. The next prime is 1091822141. The reversal of 1091822104 is 4012281901.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 68238874 + ... + 68238889.

Almost surely, 2^1091822104 is an apocalyptic number.

It is an amenable number.

1091822104 is a deficient number, since it is larger than the sum of its proper divisors (955344356).

1091822104 is a wasteful number, since it uses less digits than its factorization.

1091822104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136477769 (or 136477765 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 1091822104 is about 33042.7314851542. The cubic root of 1091822104 is about 1029.7156043929.

The spelling of 1091822104 in words is "one billion, ninety-one million, eight hundred twenty-two thousand, one hundred four".