1119990143 has 2 divisors, whose sum is σ = 1119990144. Its totient is φ = 1119990142.

The previous prime is 1119990127. The next prime is 1119990167. The reversal of 1119990143 is 3410999111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1119990143 - 2⁴ = 1119990127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1119990097 and 1119990106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1119990043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 559995071 + 559995072.

It is an arithmetic number, because the mean of its divisors is an integer number (559995072).

Almost surely, 2^1119990143 is an apocalyptic number.

1119990143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1119990143 is an equidigital number, since it uses as much as digits as its factorization.

1119990143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8748, while the sum is 38.

The square root of 1119990143 is about 33466.2537939340. The cubic root of 1119990143 is about 1038.4957737890.

The spelling of 1119990143 in words is "one billion, one hundred nineteen million, nine hundred ninety thousand, one hundred forty-three".