1143876 has 48 divisors (see below), whose sum is σ = 2923200. Its totient is φ = 346752.

The previous prime is 1143851. The next prime is 1143887. The reversal of 1143876 is 6783411.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6526 + ... + 6698.

It is an arithmetic number, because the mean of its divisors is an integer number (60900).

2^1143876 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1143876, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1461600).

1143876 is an abundant number, since it is smaller than the sum of its proper divisors (1779324).

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

1143876 is a wasteful number, since it uses less digits than its factorization.

1143876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228 (or 226 counting only the distinct ones).

The product of its digits is 4032, while the sum is 30.

The square root of 1143876 is about 1069.5213882854. The cubic root of 1143876 is about 104.5826517348.

The spelling of 1143876 in words is "one million, one hundred forty-three thousand, eight hundred seventy-six".