1143376227 has 24 divisors (see below), whose sum is σ = 1890436704. Its totient is φ = 652333824.

The previous prime is 1143376219. The next prime is 1143376237. The reversal of 1143376227 is 7226733411.

It is not a de Polignac number, because 1143376227 - 2³ = 1143376219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1143376191 and 1143376200.

It is not an unprimeable number, because it can be changed into a prime (1143376237) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27243 + ... + 55035.

It is an arithmetic number, because the mean of its divisors is an integer number (78768196).

Almost surely, 2^1143376227 is an apocalyptic number.

1143376227 is a deficient number, since it is larger than the sum of its proper divisors (747060477).

1143376227 is a wasteful number, since it uses less digits than its factorization.

1143376227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28459 (or 28456 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 1143376227 is about 33813.8466755854. The cubic root of 1143376227 is about 1045.6741838210.

The spelling of 1143376227 in words is "one billion, one hundred forty-three million, three hundred seventy-six thousand, two hundred twenty-seven".