121002133 has 4 divisors (see below), whose sum is σ = 138288160. Its totient is φ = 103716108.

The previous prime is 121002121. The next prime is 121002157. The reversal of 121002133 is 331200121.

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, and also an emirpimes, since its reverse is a distinct semiprime: 331200121 = 7 ⋅47314303.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121002133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121002113) 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, 8643003 + ... + 8643016.

It is an arithmetic number, because the mean of its divisors is an integer number (34572040).

Almost surely, 2^121002133 is an apocalyptic number.

It is an amenable number.

121002133 is a deficient number, since it is larger than the sum of its proper divisors (17286027).

121002133 is an equidigital number, since it uses as much as digits as its factorization.

121002133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17286026.

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

The square root of 121002133 is about 11000.0969541182. The cubic root of 121002133 is about 494.6116506451.

Adding to 121002133 its reverse (331200121), we get a palindrome (452202254).

The spelling of 121002133 in words is "one hundred twenty-one million, two thousand, one hundred thirty-three".