103125285 has 32 divisors (see below), whose sum is σ = 187246080. Its totient is φ = 53826624.

The previous prime is 103125271. The next prime is 103125289. The reversal of 103125285 is 582521301.

It is a happy number.

It is not a de Polignac number, because 103125285 - 2¹³ = 103117093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103125289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1782 + ... + 14471.

It is an arithmetic number, because the mean of its divisors is an integer number (5851440).

Almost surely, 2^103125285 is an apocalyptic number.

103125285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103125285 is a deficient number, since it is larger than the sum of its proper divisors (84120795).

103125285 is a wasteful number, since it uses less digits than its factorization.

103125285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16314 (or 16308 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 103125285 is about 10155.0620382152. The cubic root of 103125285 is about 468.9447958386.

Adding to 103125285 its reverse (582521301), we get a palindrome (685646586).

The spelling of 103125285 in words is "one hundred three million, one hundred twenty-five thousand, two hundred eighty-five".