121300003 has 4 divisors (see below), whose sum is σ = 132327288. Its totient is φ = 110272720.

The previous prime is 121299991. The next prime is 121300007. The reversal of 121300003 is 300003121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300003121 = 11 ⋅27273011.

It is a cyclic number.

It is not a de Polignac number, because 121300003 - 2⁹ = 121299491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121300007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5513626 + ... + 5513647.

It is an arithmetic number, because the mean of its divisors is an integer number (33081822).

Almost surely, 2^121300003 is an apocalyptic number.

121300003 is a deficient number, since it is larger than the sum of its proper divisors (11027285).

121300003 is a wasteful number, since it uses less digits than its factorization.

121300003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11027284.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 121300003 is about 11013.6280580016. The cubic root of 121300003 is about 495.0171786032.

Adding to 121300003 its reverse (300003121), we get a palindrome (421303124).

It can be divided in two parts, 121 and 300003, that multiplied together give a palindrome (36300363).

The spelling of 121300003 in words is "one hundred twenty-one million, three hundred thousand, three".