103123245 has 32 divisors (see below), whose sum is σ = 171667584. Its totient is φ = 52819200.

The previous prime is 103123243. The next prime is 103123253. The reversal of 103123245 is 542321301.

It is not a de Polignac number, because 103123245 - 2¹ = 103123243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103123243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38035 + ... + 40655.

It is an arithmetic number, because the mean of its divisors is an integer number (5364612).

Almost surely, 2^103123245 is an apocalyptic number.

103123245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103123245 is a deficient number, since it is larger than the sum of its proper divisors (68544339).

103123245 is a wasteful number, since it uses less digits than its factorization.

103123245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2733.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 103123245 is about 10154.9615952006. The cubic root of 103123245 is about 468.9417036332.

Adding to 103123245 its reverse (542321301), we get a palindrome (645444546).

The spelling of 103123245 in words is "one hundred three million, one hundred twenty-three thousand, two hundred forty-five".