1142429 has 8 divisors (see below), whose sum is σ = 1182720. Its totient is φ = 1102896.

The previous prime is 1142423. The next prime is 1142431. The reversal of 1142429 is 9242411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1142429 - 2¹⁶ = 1076893 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5012 + ... + 5234.

It is an arithmetic number, because the mean of its divisors is an integer number (147840).

2^1142429 is an apocalyptic number.

It is an amenable number.

1142429 is a deficient number, since it is larger than the sum of its proper divisors (40291).

1142429 is a wasteful number, since it uses less digits than its factorization.

1142429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379.

The product of its digits is 576, while the sum is 23.

The square root of 1142429 is about 1068.8447034064. The cubic root of 1142429 is about 104.5385342042.

The spelling of 1142429 in words is "one million, one hundred forty-two thousand, four hundred twenty-nine".