121410143 has 8 divisors (see below), whose sum is σ = 124701360. Its totient is φ = 118134720.

The previous prime is 121410139. The next prime is 121410161. The reversal of 121410143 is 341014121.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 121410143 - 2² = 121410139 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121410743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12548 + ... + 20006.

It is an arithmetic number, because the mean of its divisors is an integer number (15587670).

Almost surely, 2^121410143 is an apocalyptic number.

121410143 is a deficient number, since it is larger than the sum of its proper divisors (3291217).

121410143 is an equidigital number, since it uses as much as digits as its factorization.

121410143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7897.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 121410143 is about 11018.6270923378. The cubic root of 121410143 is about 495.1669579309.

Adding to 121410143 its reverse (341014121), we get a palindrome (462424264).

The spelling of 121410143 in words is "one hundred twenty-one million, four hundred ten thousand, one hundred forty-three".