1071139 has 2 divisors, whose sum is σ = 1071140. Its totient is φ = 1071138.

The previous prime is 1071131. The next prime is 1071149. The reversal of 1071139 is 9311701.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1071139 - 2³ = 1071131 is a prime.

It is a super-2 number, since 2×1071139² = 2294677514642, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1071131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535569 + 535570.

It is an arithmetic number, because the mean of its divisors is an integer number (535570).

2^1071139 is an apocalyptic number.

1071139 is a deficient number, since it is larger than the sum of its proper divisors (1).

1071139 is an equidigital number, since it uses as much as digits as its factorization.

1071139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 189, while the sum is 22.

The square root of 1071139 is about 1034.9584532724. The cubic root of 1071139 is about 102.3171915061.

The spelling of 1071139 in words is "one million, seventy-one thousand, one hundred thirty-nine".