1143121002 has 8 divisors (see below), whose sum is σ = 2286242016. Its totient is φ = 381040332.

The previous prime is 1143120991. The next prime is 1143121003. The reversal of 1143121002 is 2001213411.

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

1143121002 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1143121003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95260078 + ... + 95260089.

It is an arithmetic number, because the mean of its divisors is an integer number (285780252).

Almost surely, 2^1143121002 is an apocalyptic number.

1143121002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1143121002 is a wasteful number, since it uses less digits than its factorization.

1143121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190520172.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1143121002 is about 33810.0724932674. The cubic root of 1143121002 is about 1045.5963727303.

Adding to 1143121002 its reverse (2001213411), we get a palindrome (3144334413).

The spelling of 1143121002 in words is "one billion, one hundred forty-three million, one hundred twenty-one thousand, two".