107243728 has 10 divisors (see below), whose sum is σ = 207784754. Its totient is φ = 53621856.

The previous prime is 107243713. The next prime is 107243743. The reversal of 107243728 is 827342701.

It is an interprime number because it is at equal distance from previous prime (107243713) and next prime (107243743).

It can be written as a sum of positive squares in only one way, i.e., 96668224 + 10575504 = 9832^2 + 3252^2 .

It is a junction number, because it is equal to n+sod(n) for n = 107243693 and 107243702.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 3351351 + ... + 3351382.

Almost surely, 2^107243728 is an apocalyptic number.

It is an amenable number.

107243728 is a deficient number, since it is larger than the sum of its proper divisors (100541026).

107243728 is an equidigital number, since it uses as much as digits as its factorization.

107243728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6702741 (or 6702735 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 107243728 is about 10355.8547691632. The cubic root of 107243728 is about 475.1061303019.

The spelling of 107243728 in words is "one hundred seven million, two hundred forty-three thousand, seven hundred twenty-eight".