15103089 has 12 divisors (see below), whose sum is σ = 23099076. Its totient is φ = 9476352.

The previous prime is 15103061. The next prime is 15103103. The reversal of 15103089 is 98030151.

It can be written as a sum of positive squares in 2 ways, for example, as 13198689 + 1904400 = 3633^2 + 1380^2 .

It is not a de Polignac number, because 15103089 - 2⁵ = 15103057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15103009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49204 + ... + 49509.

It is an arithmetic number, because the mean of its divisors is an integer number (1924923).

Almost surely, 2^15103089 is an apocalyptic number.

It is an amenable number.

15103089 is a deficient number, since it is larger than the sum of its proper divisors (7995987).

15103089 is a wasteful number, since it uses less digits than its factorization.

15103089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98736 (or 98733 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 15103089 is about 3886.2692907209. The cubic root of 15103089 is about 247.1848943703.

The spelling of 15103089 in words is "fifteen million, one hundred three thousand, eighty-nine".