1090493587 has 2 divisors, whose sum is σ = 1090493588. Its totient is φ = 1090493586.

The previous prime is 1090493561. The next prime is 1090493623. The reversal of 1090493587 is 7853940901.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1090493587 - 2¹¹ = 1090491539 is a prime.

It is not a weakly prime, because it can be changed into another prime (1090493507) 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 as a sum of consecutive naturals, namely, 545246793 + 545246794.

It is an arithmetic number, because the mean of its divisors is an integer number (545246794).

Almost surely, 2^1090493587 is an apocalyptic number.

1090493587 is a deficient number, since it is larger than the sum of its proper divisors (1).

1090493587 is an equidigital number, since it uses as much as digits as its factorization.

1090493587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 1090493587 is about 33022.6223519575. The cubic root of 1090493587 is about 1029.2977860476.

The spelling of 1090493587 in words is "one billion, ninety million, four hundred ninety-three thousand, five hundred eighty-seven".