103120545 has 16 divisors (see below), whose sum is σ = 179992512. Its totient is φ = 49997760.

The previous prime is 103120531. The next prime is 103120547. The reversal of 103120545 is 545021301.

It is not a de Polignac number, because 103120545 - 2⁴ = 103120529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103120547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 312322 + ... + 312651.

It is an arithmetic number, because the mean of its divisors is an integer number (11249532).

Almost surely, 2^103120545 is an apocalyptic number.

103120545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

103120545 is a deficient number, since it is larger than the sum of its proper divisors (76871967).

103120545 is a wasteful number, since it uses less digits than its factorization.

103120545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624992.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 103120545 is about 10154.8286543890. The cubic root of 103120545 is about 468.9376109456.

Adding to 103120545 its reverse (545021301), we get a palindrome (648141846).

The spelling of 103120545 in words is "one hundred three million, one hundred twenty thousand, five hundred forty-five".