121003133 has 4 divisors (see below), whose sum is σ = 121081728. Its totient is φ = 120924540.

The previous prime is 121003123. The next prime is 121003231. The reversal of 121003133 is 331300121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 121003133 - 2¹⁰ = 121002109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121003123) 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 in 3 ways as a sum of consecutive naturals, for example, 36941 + ... + 40082.

It is an arithmetic number, because the mean of its divisors is an integer number (30270432).

Almost surely, 2^121003133 is an apocalyptic number.

It is an amenable number.

121003133 is a deficient number, since it is larger than the sum of its proper divisors (78595).

121003133 is an equidigital number, since it uses as much as digits as its factorization.

121003133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78594.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 121003133 is about 11000.1424081691. The cubic root of 121003133 is about 494.6130131839.

Adding to 121003133 its reverse (331300121), we get a palindrome (452303254).

The spelling of 121003133 in words is "one hundred twenty-one million, three thousand, one hundred thirty-three".