1031139 has 6 divisors (see below), whose sum is σ = 1489436. Its totient is φ = 687420.

The previous prime is 1031137. The next prime is 1031141. The reversal of 1031139 is 9311301.

It is an interprime number because it is at equal distance from previous prime (1031137) and next prime (1031141).

It is not a de Polignac number, because 1031139 - 2¹ = 1031137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1031137) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57277 + ... + 57294.

2^1031139 is an apocalyptic number.

1031139 is a deficient number, since it is larger than the sum of its proper divisors (458297).

1031139 is a wasteful number, since it uses less digits than its factorization.

1031139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114577 (or 114574 counting only the distinct ones).

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

The square root of 1031139 is about 1015.4501464868. The cubic root of 1031139 is about 101.0273755157.

The spelling of 1031139 in words is "one million, thirty-one thousand, one hundred thirty-nine".