1143132102 has 80 divisors (see below), whose sum is σ = 2933678880. Its totient is φ = 325907712.

The previous prime is 1143132101. The next prime is 1143132103. The reversal of 1143132102 is 2012313411.

It is an interprime number because it is at equal distance from previous prime (1143132101) and next prime (1143132103).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143132101) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 766974 + ... + 768462.

It is an arithmetic number, because the mean of its divisors is an integer number (36670986).

Almost surely, 2^1143132102 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1143132102, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1466839440).

1143132102 is an abundant number, since it is smaller than the sum of its proper divisors (1790546778).

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

1143132102 is a wasteful number, since it uses less digits than its factorization.

1143132102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2187 (or 2178 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1143132102 is about 33810.2366451346. The cubic root of 1143132102 is about 1045.5997570562.

Adding to 1143132102 its reverse (2012313411), we get a palindrome (3155445513).

The spelling of 1143132102 in words is "one billion, one hundred forty-three million, one hundred thirty-two thousand, one hundred two".