1143419 has 4 divisors (see below), whose sum is σ = 1147344. Its totient is φ = 1139496.

The previous prime is 1143407. The next prime is 1143433. The reversal of 1143419 is 9143411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1143419 is a prime.

It is a super-2 number, since 2×1143419² = 2614814019122, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 1143394 and 1143403.

It is not an unprimeable number, because it can be changed into a prime (1143469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1487 + ... + 2120.

It is an arithmetic number, because the mean of its divisors is an integer number (286836).

2^1143419 is an apocalyptic number.

1143419 is a deficient number, since it is larger than the sum of its proper divisors (3925).

1143419 is an equidigital number, since it uses as much as digits as its factorization.

1143419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3924.

The product of its digits is 432, while the sum is 23.

The square root of 1143419 is about 1069.3077199759. The cubic root of 1143419 is about 104.5687223001.

The spelling of 1143419 in words is "one million, one hundred forty-three thousand, four hundred nineteen".