103403121 has 8 divisors (see below), whose sum is σ = 137932800. Its totient is φ = 68904432.

The previous prime is 103403117. The next prime is 103403141. The reversal of 103403121 is 121304301.

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

It is not a de Polignac number, because 103403121 - 2² = 103403117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 103403121.

It is not an unprimeable number, because it can be changed into a prime (103403141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1680 + ... + 14478.

It is an arithmetic number, because the mean of its divisors is an integer number (17241600).

Almost surely, 2^103403121 is an apocalyptic number.

It is an amenable number.

103403121 is a deficient number, since it is larger than the sum of its proper divisors (34529679).

103403121 is a wasteful number, since it uses less digits than its factorization.

103403121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15495.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 103403121 is about 10168.7325168872. The cubic root of 103403121 is about 469.3655556098.

Adding to 103403121 its reverse (121304301), we get a palindrome (224707422).

The spelling of 103403121 in words is "one hundred three million, four hundred three thousand, one hundred twenty-one".