1140031 has 4 divisors (see below), whose sum is σ = 1150600. Its totient is φ = 1129464.

The previous prime is 1139993. The next prime is 1140091. The reversal of 1140031 is 1300411.

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 1140031 - 2⁹ = 1139519 is a prime.

It is a super-2 number, since 2×1140031² = 2599341361922, which contains 22 as substring.

It is a Duffinian number.

1140031 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140091) 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, 5121 + ... + 5338.

It is an arithmetic number, because the mean of its divisors is an integer number (287650).

2^1140031 is an apocalyptic number.

1140031 is the 478-th centered decagonal number.

1140031 is a deficient number, since it is larger than the sum of its proper divisors (10569).

1140031 is a wasteful number, since it uses less digits than its factorization.

1140031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10568.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1140031 is about 1067.7223421845. The cubic root of 1140031 is about 104.4653395731.

Adding to 1140031 its reverse (1300411), we get a palindrome (2440442).

The spelling of 1140031 in words is "one million, one hundred forty thousand, thirty-one".