103228720 has 40 divisors (see below), whose sum is σ = 274294944. Its totient is φ = 35392512.

The previous prime is 103228717. The next prime is 103228721. The reversal of 103228720 is 27822301.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (103228721) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 91609 + ... + 92728.

Almost surely, 2^103228720 is an apocalyptic number.

103228720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103228720 is an abundant number, since it is smaller than the sum of its proper divisors (171066224).

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

103228720 is a wasteful number, since it uses less digits than its factorization.

103228720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184357 (or 184351 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 103228720 is about 10160.1535421469. The cubic root of 103228720 is about 469.1015278401.

The spelling of 103228720 in words is "one hundred three million, two hundred twenty-eight thousand, seven hundred twenty".