121171203 has 6 divisors (see below), whose sum is σ = 175025084. Its totient is φ = 80780796.

The previous prime is 121171163. The next prime is 121171207. The reversal of 121171203 is 302171121.

It is a happy number.

It is not a de Polignac number, because 121171203 - 2¹² = 121167107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121171207) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6731725 + ... + 6731742.

Almost surely, 2^121171203 is an apocalyptic number.

121171203 is a deficient number, since it is larger than the sum of its proper divisors (53853881).

121171203 is a wasteful number, since it uses less digits than its factorization.

121171203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13463473 (or 13463470 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 121171203 is about 11007.7792038176. The cubic root of 121171203 is about 494.8419084984.

It can be divided in two parts, 12 and 1171203, that added together give a triangular number (1171215 = T₁₅₃₀).

The spelling of 121171203 in words is "one hundred twenty-one million, one hundred seventy-one thousand, two hundred three".