121141143 has 16 divisors (see below), whose sum is σ = 180092640. Its totient is φ = 80479872.

The previous prime is 121141129. The next prime is 121141147. The reversal of 121141143 is 341141121.

121141143 is a `hidden beast` number, since 1 + 211 + 411 + 43 = 666.

It is not a de Polignac number, because 121141143 - 2⁶ = 121141079 is a prime.

It is a super-3 number, since 3×121141143³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121141147) 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 15 ways as a sum of consecutive naturals, for example, 255 + ... + 15567.

It is an arithmetic number, because the mean of its divisors is an integer number (11255790).

Almost surely, 2^121141143 is an apocalyptic number.

121141143 is a deficient number, since it is larger than the sum of its proper divisors (58951497).

121141143 is a wasteful number, since it uses less digits than its factorization.

121141143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15615 (or 15609 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

The square root of 121141143 is about 11006.4137210992. The cubic root of 121141143 is about 494.8009851942.

Adding to 121141143 its reverse (341141121), we get a palindrome (462282264).

The spelling of 121141143 in words is "one hundred twenty-one million, one hundred forty-one thousand, one hundred forty-three".