1143727 has 8 divisors (see below), whose sum is σ = 1245776. Its totient is φ = 1043712.

The previous prime is 1143719. The next prime is 1143749. The reversal of 1143727 is 7273411.

It is a happy number.

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 1143727 - 2³ = 1143719 is a prime.

It is a super-2 number, since 2×1143727² = 2616222901058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 808 + ... + 1714.

It is an arithmetic number, because the mean of its divisors is an integer number (155722).

2^1143727 is an apocalyptic number.

1143727 is a deficient number, since it is larger than the sum of its proper divisors (102049).

1143727 is an equidigital number, since it uses as much as digits as its factorization.

1143727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017.

The product of its digits is 1176, while the sum is 25.

The square root of 1143727 is about 1069.4517286909. The cubic root of 1143727 is about 104.5781105981.

The spelling of 1143727 in words is "one million, one hundred forty-three thousand, seven hundred twenty-seven".