103185243 has 24 divisors (see below), whose sum is σ = 171027168. Its totient is φ = 58724352.

The previous prime is 103185241. The next prime is 103185253. The reversal of 103185243 is 342581301.

It is a happy number.

It is not a de Polignac number, because 103185243 - 2¹ = 103185241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103185241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13005 + ... + 19377.

It is an arithmetic number, because the mean of its divisors is an integer number (7126132).

Almost surely, 2^103185243 is an apocalyptic number.

103185243 is a deficient number, since it is larger than the sum of its proper divisors (67841925).

103185243 is a wasteful number, since it uses less digits than its factorization.

103185243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6643 (or 6640 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 103185243 is about 10158.0137330090. The cubic root of 103185243 is about 469.0356611864.

The spelling of 103185243 in words is "one hundred three million, one hundred eighty-five thousand, two hundred forty-three".