121404103 has 2 divisors, whose sum is σ = 121404104. Its totient is φ = 121404102.

The previous prime is 121404077. The next prime is 121404131. The reversal of 121404103 is 301404121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121404103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121401103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60702051 + 60702052.

It is an arithmetic number, because the mean of its divisors is an integer number (60702052).

Almost surely, 2^121404103 is an apocalyptic number.

121404103 is a deficient number, since it is larger than the sum of its proper divisors (1).

121404103 is an equidigital number, since it uses as much as digits as its factorization.

121404103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 121404103 is about 11018.3530075960. The cubic root of 121404103 is about 495.1587464862.

Adding to 121404103 its reverse (301404121), we get a palindrome (422808224).

The spelling of 121404103 in words is "one hundred twenty-one million, four hundred four thousand, one hundred three".