1142027 has 4 divisors (see below), whose sum is σ = 1144176. Its totient is φ = 1139880.

The previous prime is 1142021. The next prime is 1142039. The reversal of 1142027 is 7202411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1142027 - 2⁶ = 1141963 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1141996 and 1142014.

It is not an unprimeable number, because it can be changed into a prime (1142021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 377 + ... + 1557.

It is an arithmetic number, because the mean of its divisors is an integer number (286044).

2^1142027 is an apocalyptic number.

1142027 is a deficient number, since it is larger than the sum of its proper divisors (2149).

1142027 is an equidigital number, since it uses as much as digits as its factorization.

1142027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2148.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 1142027 is about 1068.6566333486. The cubic root of 1142027 is about 104.5262710290.

Adding to 1142027 its reverse (7202411), we get a palindrome (8344438).

The spelling of 1142027 in words is "one million, one hundred forty-two thousand, twenty-seven".