1143219 has 32 divisors (see below), whose sum is σ = 1958400. Its totient is φ = 588000.

The previous prime is 1143217. The next prime is 1143223. The reversal of 1143219 is 9123411.

It is not a de Polignac number, because 1143219 - 2¹ = 1143217 is a prime.

It is a super-2 number, since 2×1143219² = 2613899363922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1143195 and 1143204.

It is not an unprimeable number, because it can be changed into a prime (1143217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11269 + ... + 11369.

It is an arithmetic number, because the mean of its divisors is an integer number (61200).

2^1143219 is an apocalyptic number.

1143219 is a deficient number, since it is larger than the sum of its proper divisors (815181).

1143219 is a wasteful number, since it uses less digits than its factorization.

1143219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 122 counting only the distinct ones).

The product of its digits is 216, while the sum is 21.

The square root of 1143219 is about 1069.2141974366. The cubic root of 1143219 is about 104.5626250998.

It can be divided in two parts, 114 and 3219, that added together give a palindrome (3333).

The spelling of 1143219 in words is "one million, one hundred forty-three thousand, two hundred nineteen".