1139031 has 12 divisors (see below), whose sum is σ = 1732120. Its totient is φ = 719280.

The previous prime is 1139011. The next prime is 1139041. The reversal of 1139031 is 1309311.

It is not a de Polignac number, because 1139031 - 2⁵ = 1138999 is a prime.

It is a super-3 number, since 3×1139031³ = 4433307819410300373, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

1139031 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1138995 and 1139013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1139011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3160 + ... + 3501.

2^1139031 is an apocalyptic number.

1139031 is a deficient number, since it is larger than the sum of its proper divisors (593089).

1139031 is a wasteful number, since it uses less digits than its factorization.

1139031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6686 (or 6683 counting only the distinct ones).

The product of its (nonzero) digits is 81, while the sum is 18.

The square root of 1139031 is about 1067.2539529091. The cubic root of 1139031 is about 104.4347860475.

The spelling of 1139031 in words is "one million, one hundred thirty-nine thousand, thirty-one".