1090960999 has 4 divisors (see below), whose sum is σ = 1091752360. Its totient is φ = 1090169640.

The previous prime is 1090960993. The next prime is 1090961023. The reversal of 1090960999 is 9990690901.

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

It is a cyclic number.

It is not a de Polignac number, because 1090960999 - 2⁵ = 1090960967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1090960993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393609 + ... + 396370.

It is an arithmetic number, because the mean of its divisors is an integer number (272938090).

Almost surely, 2^1090960999 is an apocalyptic number.

1090960999 is a deficient number, since it is larger than the sum of its proper divisors (791361).

1090960999 is an equidigital number, since it uses as much as digits as its factorization.

1090960999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791360.

The product of its (nonzero) digits is 354294, while the sum is 52.

The square root of 1090960999 is about 33029.6987421926. The cubic root of 1090960999 is about 1029.4448257065. Note that the first 3 decimals are identical.

The spelling of 1090960999 in words is "one billion, ninety million, nine hundred sixty thousand, nine hundred ninety-nine".