1090232209 has 8 divisors (see below), whose sum is σ = 1189725120. Its totient is φ = 990802800.

The previous prime is 1090232203. The next prime is 1090232233. The reversal of 1090232209 is 9022320901.

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

It is a cyclic number.

It is not a de Polignac number, because 1090232209 - 2³ = 1090232201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1090232201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24507 + ... + 52735.

It is an arithmetic number, because the mean of its divisors is an integer number (148715640).

Almost surely, 2^1090232209 is an apocalyptic number.

It is an amenable number.

1090232209 is a deficient number, since it is larger than the sum of its proper divisors (99492911).

1090232209 is a wasteful number, since it uses less digits than its factorization.

1090232209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31751.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 1090232209 is about 33018.6645550664. The cubic root of 1090232209 is about 1029.2155427718.

The spelling of 1090232209 in words is "one billion, ninety million, two hundred thirty-two thousand, two hundred nine".