103103120 has 80 divisors (see below), whose sum is σ = 261144000. Its totient is φ = 37707264.

The previous prime is 103103107. The next prime is 103103141. The reversal of 103103120 is 21301301.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 42911 + ... + 45249.

It is an arithmetic number, because the mean of its divisors is an integer number (3264300).

Almost surely, 2^103103120 is an apocalyptic number.

103103120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103103120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130572000).

103103120 is an abundant number, since it is smaller than the sum of its proper divisors (158040880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103103120 is a wasteful number, since it uses less digits than its factorization.

103103120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2400 (or 2394 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 103103120 is about 10153.9706519174. The cubic root of 103103120 is about 468.9111962347.

Adding to 103103120 its reverse (21301301), we get a palindrome (124404421).

The spelling of 103103120 in words is "one hundred three million, one hundred three thousand, one hundred twenty".