121408303 has 2 divisors, whose sum is σ = 121408304. Its totient is φ = 121408302.

The previous prime is 121408289. The next prime is 121408337. The reversal of 121408303 is 303804121.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121408303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121408603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60704151 + 60704152.

It is an arithmetic number, because the mean of its divisors is an integer number (60704152).

Almost surely, 2^121408303 is an apocalyptic number.

121408303 is a deficient number, since it is larger than the sum of its proper divisors (1).

121408303 is an equidigital number, since it uses as much as digits as its factorization.

121408303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 121408303 is about 11018.5435970458. The cubic root of 121408303 is about 495.1644564600.

The spelling of 121408303 in words is "one hundred twenty-one million, four hundred eight thousand, three hundred three".