103120200 has 144 divisors (see below), whose sum is σ = 352544400. Its totient is φ = 27004800.

The previous prime is 103120189. The next prime is 103120217. The reversal of 103120200 is 2021301.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 105715 + ... + 106685.

It is an arithmetic number, because the mean of its divisors is an integer number (2448225).

Almost surely, 2^103120200 is an apocalyptic number.

103120200 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 103120200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176272200).

103120200 is an abundant number, since it is smaller than the sum of its proper divisors (249424200).

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

103120200 is a wasteful number, since it uses less digits than its factorization.

103120200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052 (or 1040 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 103120200 is about 10154.8116673821. The cubic root of 103120200 is about 468.9370879860.

Adding to 103120200 its reverse (2021301), we get a palindrome (105141501).

The spelling of 103120200 in words is "one hundred three million, one hundred twenty thousand, two hundred".