103403681 has 8 divisors (see below), whose sum is σ = 111501600. Its totient is φ = 95571360.

The previous prime is 103403669. The next prime is 103403747. The reversal of 103403681 is 186304301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 103403681 - 2⁶ = 103403617 is a prime.

It is a super-2 number, since 2×103403681² = 21384642488699522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 103403681.

It is not an unprimeable number, because it can be changed into a prime (103403611) 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, 65591 + ... + 67148.

It is an arithmetic number, because the mean of its divisors is an integer number (13937700).

Almost surely, 2^103403681 is an apocalyptic number.

It is an amenable number.

103403681 is a deficient number, since it is larger than the sum of its proper divisors (8097919).

103403681 is a wasteful number, since it uses less digits than its factorization.

103403681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132799.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 103403681 is about 10168.7600522384. The cubic root of 103403681 is about 469.3664029222.

Adding to 103403681 its reverse (186304301), we get a palindrome (289707982).

The spelling of 103403681 in words is "one hundred three million, four hundred three thousand, six hundred eighty-one".