1089549103 has 2 divisors, whose sum is σ = 1089549104. Its totient is φ = 1089549102.

The previous prime is 1089549073. The next prime is 1089549113. The reversal of 1089549103 is 3019459801.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1089549103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1089549113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 544774551 + 544774552.

It is an arithmetic number, because the mean of its divisors is an integer number (544774552).

Almost surely, 2^1089549103 is an apocalyptic number.

1089549103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1089549103 is an equidigital number, since it uses as much as digits as its factorization.

1089549103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 1089549103 is about 33008.3186939293. The cubic root of 1089549103 is about 1029.0005395834. Note that the first 3 decimals are identical.

The spelling of 1089549103 in words is "one billion, eighty-nine million, five hundred forty-nine thousand, one hundred three".