1142829 has 12 divisors (see below), whose sum is σ = 1712256. Its totient is φ = 761724.

The previous prime is 1142821. The next prime is 1142833. The reversal of 1142829 is 9282411.

It is not a de Polignac number, because 1142829 - 2³ = 1142821 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2109 + ... + 2594.

It is an arithmetic number, because the mean of its divisors is an integer number (142688).

2^1142829 is an apocalyptic number.

It is an amenable number.

1142829 is a deficient number, since it is larger than the sum of its proper divisors (569427).

1142829 is an frugal number, since it uses more digits than its factorization.

1142829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4718 (or 4706 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 1142829 is about 1069.0318049525. The cubic root of 1142829 is about 104.5507335136.

The spelling of 1142829 in words is "one million, one hundred forty-two thousand, eight hundred twenty-nine".