103122220 has 12 divisors (see below), whose sum is σ = 216556704. Its totient is φ = 41248880.

The previous prime is 103122203. The next prime is 103122233. The reversal of 103122220 is 22221301.

It is a self number, because there is not a number n which added to its sum of digits gives 103122220.

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 3 ways as a sum of consecutive naturals, for example, 2578036 + ... + 2578075.

It is an arithmetic number, because the mean of its divisors is an integer number (18046392).

Almost surely, 2^103122220 is an apocalyptic number.

103122220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103122220 is an abundant number, since it is smaller than the sum of its proper divisors (113434484).

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

103122220 is a wasteful number, since it uses less digits than its factorization.

103122220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5156120 (or 5156118 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 103122220 is about 10154.9111271345. The cubic root of 103122220 is about 468.9401499361.

Adding to 103122220 its reverse (22221301), we get a palindrome (125343521).

The spelling of 103122220 in words is "one hundred three million, one hundred twenty-two thousand, two hundred twenty".