1140067 has 4 divisors (see below), whose sum is σ = 1142896. Its totient is φ = 1137240.

The previous prime is 1139993. The next prime is 1140091. The reversal of 1140067 is 7600411.

It is a happy number.

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 1140067 - 2¹¹ = 1138019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140967) 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, 684 + ... + 1657.

It is an arithmetic number, because the mean of its divisors is an integer number (285724).

2^1140067 is an apocalyptic number.

1140067 is a deficient number, since it is larger than the sum of its proper divisors (2829).

1140067 is an equidigital number, since it uses as much as digits as its factorization.

1140067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2828.

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 1140067 is about 1067.7392003668. The cubic root of 1140067 is about 104.4664391668.

Adding to 1140067 its reverse (7600411), we get a palindrome (8740478).

The spelling of 1140067 in words is "one million, one hundred forty thousand, sixty-seven".