1090492973 has 4 divisors (see below), whose sum is σ = 1147887360. Its totient is φ = 1033098588.

The previous prime is 1090492903. The next prime is 1090492987. The reversal of 1090492973 is 3792940901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1090492973 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 (1090492903) 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 3 ways as a sum of consecutive naturals, for example, 28697165 + ... + 28697202.

It is an arithmetic number, because the mean of its divisors is an integer number (286971840).

Almost surely, 2^1090492973 is an apocalyptic number.

It is an amenable number.

1090492973 is a deficient number, since it is larger than the sum of its proper divisors (57394387).

1090492973 is an equidigital number, since it uses as much as digits as its factorization.

1090492973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57394386.

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 1090492973 is about 33022.6130552989. The cubic root of 1090492973 is about 1029.2975928662.

The spelling of 1090492973 in words is "one billion, ninety million, four hundred ninety-two thousand, nine hundred seventy-three".