121131202 has 16 divisors (see below), whose sum is σ = 196136640. Its totient is φ = 55934032.

The previous prime is 121131151. The next prime is 121131209. The reversal of 121131202 is 202131121.

It is not an unprimeable number, because it can be changed into a prime (121131209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44068 + ... + 46735.

It is an arithmetic number, because the mean of its divisors is an integer number (12258540).

Almost surely, 2^121131202 is an apocalyptic number.

121131202 is a deficient number, since it is larger than the sum of its proper divisors (75005438).

121131202 is a wasteful number, since it uses less digits than its factorization.

121131202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90857.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 121131202 is about 11005.9621115103. The cubic root of 121131202 is about 494.7874501529.

Adding to 121131202 its reverse (202131121), we get a palindrome (323262323).

The spelling of 121131202 in words is "one hundred twenty-one million, one hundred thirty-one thousand, two hundred two".