1143110121 has 8 divisors (see below), whose sum is σ = 1526163264. Its totient is φ = 761065200.

The previous prime is 1143110119. The next prime is 1143110123. The reversal of 1143110121 is 1210113411.

It is an interprime number because it is at equal distance from previous prime (1143110119) and next prime (1143110123).

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

It is not a de Polignac number, because 1143110121 - 2¹ = 1143110119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1143110121.

It is not an unprimeable number, because it can be changed into a prime (1143110123) 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, 249405 + ... + 253946.

It is an arithmetic number, because the mean of its divisors is an integer number (190770408).

Almost surely, 2^1143110121 is an apocalyptic number.

It is an amenable number.

1143110121 is a deficient number, since it is larger than the sum of its proper divisors (383053143).

1143110121 is an equidigital number, since it uses as much as digits as its factorization.

1143110121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504111.

The product of its (nonzero) digits is 24, while the sum is 15.

The square root of 1143110121 is about 33809.9115792988. The cubic root of 1143110121 is about 1045.5930551549.

Adding to 1143110121 its reverse (1210113411), we get a palindrome (2353223532).

The spelling of 1143110121 in words is "one billion, one hundred forty-three million, one hundred ten thousand, one hundred twenty-one".