1143829 has 2 divisors, whose sum is σ = 1143830. Its totient is φ = 1143828.

The previous prime is 1143817. The next prime is 1143851. The reversal of 1143829 is 9283411.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1134225 + 9604 = 1065^2 + 98^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1143829 is a prime.

It is a pancake number, because a pancake can be divided into 1143829 parts by 1512 straight cuts.

It is a junction number, because it is equal to n+sod(n) for n = 1143797 and 1143806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1143809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 571914 + 571915.

It is an arithmetic number, because the mean of its divisors is an integer number (571915).

2^1143829 is an apocalyptic number.

It is an amenable number.

1143829 is a deficient number, since it is larger than the sum of its proper divisors (1).

1143829 is an equidigital number, since it uses as much as digits as its factorization.

1143829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 28.

The square root of 1143829 is about 1069.4994156146. The cubic root of 1143829 is about 104.5812193383.

The spelling of 1143829 in words is "one million, one hundred forty-three thousand, eight hundred twenty-nine".