121331141 has 8 divisors (see below), whose sum is σ = 127116864. Its totient is φ = 115588000.

The previous prime is 121331113. The next prime is 121331153. The reversal of 121331141 is 141133121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121331141 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121331191) 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 7 ways as a sum of consecutive naturals, for example, 4736 + ... + 16281.

It is an arithmetic number, because the mean of its divisors is an integer number (15889608).

Almost surely, 2^121331141 is an apocalyptic number.

It is an amenable number.

121331141 is a deficient number, since it is larger than the sum of its proper divisors (5785723).

121331141 is a wasteful number, since it uses less digits than its factorization.

121331141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21291.

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

The square root of 121331141 is about 11015.0415795856. The cubic root of 121331141 is about 495.0595323427.

Adding to 121331141 its reverse (141133121), we get a palindrome (262464262).

The spelling of 121331141 in words is "one hundred twenty-one million, three hundred thirty-one thousand, one hundred forty-one".