1143112002 has 16 divisors (see below), whose sum is σ = 2287222272. Its totient is φ = 380870960.

The previous prime is 1143111997. The next prime is 1143112007. The reversal of 1143112002 is 2002113411.

It is an interprime number because it is at equal distance from previous prime (1143111997) and next prime (1143112007).

It is not an unprimeable number, because it can be changed into a prime (1143112007) 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, 26274 + ... + 54557.

It is an arithmetic number, because the mean of its divisors is an integer number (142951392).

Almost surely, 2^1143112002 is an apocalyptic number.

1143112002 is an abundant number, since it is smaller than the sum of its proper divisors (1144110270).

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

1143112002 is a wasteful number, since it uses less digits than its factorization.

1143112002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83193.

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

The square root of 1143112002 is about 33809.9393965739. The cubic root of 1143112002 is about 1045.5936286662.

Adding to 1143112002 its reverse (2002113411), we get a palindrome (3145225413).

The spelling of 1143112002 in words is "one billion, one hundred forty-three million, one hundred twelve thousand, two".