103112656 has 10 divisors (see below), whose sum is σ = 199780802. Its totient is φ = 51556320.

The previous prime is 103112651. The next prime is 103112683. The reversal of 103112656 is 656211301.

It can be written as a sum of positive squares in only one way, i.e., 62663056 + 40449600 = 7916^2 + 6360^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 103112656.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103112651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3222255 + ... + 3222286.

Almost surely, 2^103112656 is an apocalyptic number.

103112656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

103112656 is a deficient number, since it is larger than the sum of its proper divisors (96668146).

103112656 is an equidigital number, since it uses as much as digits as its factorization.

103112656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6444549 (or 6444543 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 103112656 is about 10154.4402110604. The cubic root of 103112656 is about 468.9256523097.

Adding to 103112656 its reverse (656211301), we get a palindrome (759323957).

The spelling of 103112656 in words is "one hundred three million, one hundred twelve thousand, six hundred fifty-six".