1140429 has 8 divisors (see below), whose sum is σ = 1536640. Its totient is φ = 752256.

The previous prime is 1140421. The next prime is 1140431. The reversal of 1140429 is 9240411.

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

It is not a de Polignac number, because 1140429 - 2³ = 1140421 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1669 + ... + 2250.

It is an arithmetic number, because the mean of its divisors is an integer number (192080).

2^1140429 is an apocalyptic number.

It is an amenable number.

1140429 is a deficient number, since it is larger than the sum of its proper divisors (396211).

1140429 is an equidigital number, since it uses as much as digits as its factorization.

1140429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4019.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1140429 is about 1067.9087039630. The cubic root of 1140429 is about 104.4774949056.

The spelling of 1140429 in words is "one million, one hundred forty thousand, four hundred twenty-nine".