1143111002 has 8 divisors (see below), whose sum is σ = 1870545312. Its totient is φ = 519595900.

The previous prime is 1143111001. The next prime is 1143111083. The reversal of 1143111002 is 2001113411.

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

It is not an unprimeable number, because it can be changed into a prime (1143111001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25979774 + ... + 25979817.

It is an arithmetic number, because the mean of its divisors is an integer number (233818164).

Almost surely, 2^1143111002 is an apocalyptic number.

1143111002 is a deficient number, since it is larger than the sum of its proper divisors (727434310).

1143111002 is a wasteful number, since it uses less digits than its factorization.

1143111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51959604.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1143111002 is about 33809.9246080201. The cubic root of 1143111002 is about 1045.5933237693.

Adding to 1143111002 its reverse (2001113411), we get a palindrome (3144224413).

The spelling of 1143111002 in words is "one billion, one hundred forty-three million, one hundred eleven thousand, two".