121133141 has 2 divisors, whose sum is σ = 121133142. Its totient is φ = 121133140.

The previous prime is 121133123. The next prime is 121133161. The reversal of 121133141 is 141331121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71487025 + 49646116 = 8455^2 + 7046^2 .

It is an emirp because it is prime and its reverse (141331121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121133141 - 2²² = 116938837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121133101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60566570 + 60566571.

It is an arithmetic number, because the mean of its divisors is an integer number (60566571).

Almost surely, 2^121133141 is an apocalyptic number.

It is an amenable number.

121133141 is a deficient number, since it is larger than the sum of its proper divisors (1).

121133141 is an equidigital number, since it uses as much as digits as its factorization.

121133141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72, while the sum is 17.

The square root of 121133141 is about 11006.0501997765. The cubic root of 121133141 is about 494.7900902316.

Adding to 121133141 its reverse (141331121), we get a palindrome (262464262).

The spelling of 121133141 in words is "one hundred twenty-one million, one hundred thirty-three thousand, one hundred forty-one".