103712320 has 28 divisors (see below), whose sum is σ = 246965724. Its totient is φ = 41484800.

The previous prime is 103712311. The next prime is 103712339. The reversal of 103712320 is 23217301.

It can be written as a sum of positive squares in 2 ways, for example, as 19219456 + 84492864 = 4384^2 + 9192^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161731 + ... + 162370.

Almost surely, 2^103712320 is an apocalyptic number.

103712320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103712320 is an abundant number, since it is smaller than the sum of its proper divisors (143253404).

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

103712320 is an equidigital number, since it uses as much as digits as its factorization.

103712320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324118 (or 324108 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 103712320 is about 10183.9245873092. The cubic root of 103712320 is about 469.8329268851.

Adding to 103712320 its reverse (23217301), we get a palindrome (126929621).

The spelling of 103712320 in words is "one hundred three million, seven hundred twelve thousand, three hundred twenty".