103203121 has 8 divisors (see below), whose sum is σ = 118876160. Its totient is φ = 87762528.

The previous prime is 103203071. The next prime is 103203127. The reversal of 103203121 is 121302301.

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

It is not a de Polignac number, because 103203121 - 2¹¹ = 103201073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103203127) 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, 57156 + ... + 58933.

It is an arithmetic number, because the mean of its divisors is an integer number (14859520).

Almost surely, 2^103203121 is an apocalyptic number.

It is an amenable number.

103203121 is a deficient number, since it is larger than the sum of its proper divisors (15673039).

103203121 is a wasteful number, since it uses less digits than its factorization.

103203121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116223.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 103203121 is about 10158.8936897676. The cubic root of 103203121 is about 469.0627481840.

Adding to 103203121 its reverse (121302301), we get a palindrome (224505422).

The spelling of 103203121 in words is "one hundred three million, two hundred three thousand, one hundred twenty-one".