103512125 has 16 divisors (see below), whose sum is σ = 132680496. Its totient is φ = 80568000.

The previous prime is 103512113. The next prime is 103512163. The reversal of 103512125 is 521215301.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 10621081 + 92891044 = 3259^2 + 9638^2 .

It is not a de Polignac number, because 103512125 - 2¹⁴ = 103495741 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103512097 and 103512106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6566 + ... + 15815.

It is an arithmetic number, because the mean of its divisors is an integer number (8292531).

Almost surely, 2^103512125 is an apocalyptic number.

It is an amenable number.

103512125 is a deficient number, since it is larger than the sum of its proper divisors (29168371).

103512125 is an equidigital number, since it uses as much as digits as its factorization.

103512125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22433 (or 22423 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 103512125 is about 10174.0908684757. The cubic root of 103512125 is about 469.5304273437.

Adding to 103512125 its reverse (521215301), we get a palindrome (624727426).

The spelling of 103512125 in words is "one hundred three million, five hundred twelve thousand, one hundred twenty-five".