1000121141 has 2 divisors, whose sum is σ = 1000121142. Its totient is φ = 1000121140.

The previous prime is 1000121117. The next prime is 1000121149. The reversal of 1000121141 is 1411210001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 769840516 + 230280625 = 27746^2 + 15175^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000121141 - 2²² = 995926837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000121149) 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 as a sum of consecutive naturals, namely, 500060570 + 500060571.

It is an arithmetic number, because the mean of its divisors is an integer number (500060571).

Almost surely, 2^1000121141 is an apocalyptic number.

It is an amenable number.

1000121141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000121141 is an equidigital number, since it uses as much as digits as its factorization.

1000121141 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1000121141 is about 31624.6919510689. The cubic root of 1000121141 is about 1000.0403787029.

Adding to 1000121141 its reverse (1411210001), we get a palindrome (2411331142).

The spelling of 1000121141 in words is "one billion, one hundred twenty-one thousand, one hundred forty-one".