1090203066 has 12 divisors (see below), whose sum is σ = 2362106682. Its totient is φ = 363401016.

The previous prime is 1090203043. The next prime is 1090203073. The reversal of 1090203066 is 6603020901.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 768897441 + 321305625 = 27729^2 + 17925^2 .

It is a Curzon number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 30283401 + ... + 30283436.

Almost surely, 2^1090203066 is an apocalyptic number.

1090203066 is an abundant number, since it is smaller than the sum of its proper divisors (1271903616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1090203066 is a wasteful number, since it uses less digits than its factorization.

1090203066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60566845 (or 60566842 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 1090203066 is about 33018.2232411134. The cubic root of 1090203066 is about 1029.2063720356.

Adding to 1090203066 its reverse (6603020901), we get a palindrome (7693223967).

The spelling of 1090203066 in words is "one billion, ninety million, two hundred three thousand, sixty-six".