121013203 has 8 divisors (see below), whose sum is σ = 125616960. Its totient is φ = 116494080.

The previous prime is 121013197. The next prime is 121013219. The reversal of 121013203 is 302310121.

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

It is a cyclic number.

It is not a de Polignac number, because 121013203 - 2⁵ = 121013171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121013003) 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, 18238 + ... + 23971.

It is an arithmetic number, because the mean of its divisors is an integer number (15702120).

Almost surely, 2^121013203 is an apocalyptic number.

121013203 is a deficient number, since it is larger than the sum of its proper divisors (4603757).

121013203 is an equidigital number, since it uses as much as digits as its factorization.

121013203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42317.

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

The square root of 121013203 is about 11000.6001199935. The cubic root of 121013203 is about 494.6267335308.

Adding to 121013203 its reverse (302310121), we get a palindrome (423323324).

The spelling of 121013203 in words is "one hundred twenty-one million, thirteen thousand, two hundred three".