121334202 has 144 divisors (see below), whose sum is σ = 319311720. Its totient is φ = 33116160.

The previous prime is 121334189. The next prime is 121334203. The reversal of 121334202 is 202433121.

It can be written as a sum of positive squares in 4 ways, for example, as 87216921 + 34117281 = 9339^2 + 5841^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (121334203) 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 71 ways as a sum of consecutive naturals, for example, 1073698 + ... + 1073810.

Almost surely, 2^121334202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121334202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159655860).

121334202 is an abundant number, since it is smaller than the sum of its proper divisors (197977518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

121334202 is a wasteful number, since it uses less digits than its factorization.

121334202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 121334202 is about 11015.1805250754. The cubic root of 121334202 is about 495.0636955072.

Adding to 121334202 its reverse (202433121), we get a palindrome (323767323).

The spelling of 121334202 in words is "one hundred twenty-one million, three hundred thirty-four thousand, two hundred two".