103103025 has 24 divisors (see below), whose sum is σ = 179437920. Its totient is φ = 52093440.

The previous prime is 103103009. The next prime is 103103027. The reversal of 103103025 is 520301301.

It is a happy number.

It is not a de Polignac number, because 103103025 - 2⁴ = 103103009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 103102995 and 103103013.

It is not an unprimeable number, because it can be changed into a prime (103103027) 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, 34752 + ... + 37601.

It is an arithmetic number, because the mean of its divisors is an integer number (7476580).

Almost surely, 2^103103025 is an apocalyptic number.

103103025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103103025 is a deficient number, since it is larger than the sum of its proper divisors (76334895).

103103025 is a wasteful number, since it uses less digits than its factorization.

103103025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72385 (or 72380 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 103103025 is about 10153.9659739434. The cubic root of 103103025 is about 468.9110522152.

Adding to 103103025 its reverse (520301301), we get a palindrome (623404326).

The spelling of 103103025 in words is "one hundred three million, one hundred three thousand, twenty-five".