1143077919 has 16 divisors (see below), whose sum is σ = 1546905600. Its totient is φ = 750669920.

The previous prime is 1143077917. The next prime is 1143077959. The reversal of 1143077919 is 9197703411.

It is a cyclic number.

It is not a de Polignac number, because 1143077919 - 2¹ = 1143077917 is a prime.

It is a super-2 number, since 2×1143077919² = 2613254257810741122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143077917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 475282 + ... + 477680.

It is an arithmetic number, because the mean of its divisors is an integer number (96681600).

Almost surely, 2^1143077919 is an apocalyptic number.

1143077919 is a deficient number, since it is larger than the sum of its proper divisors (403827681).

1143077919 is a wasteful number, since it uses less digits than its factorization.

1143077919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4710.

The product of its (nonzero) digits is 47628, while the sum is 42.

The square root of 1143077919 is about 33809.4353546462. The cubic root of 1143077919 is about 1045.5832367647.

The spelling of 1143077919 in words is "one billion, one hundred forty-three million, seventy-seven thousand, nine hundred nineteen".