1075139 has 8 divisors (see below), whose sum is σ = 1166592. Its totient is φ = 984960.

The previous prime is 1075133. The next prime is 1075141. The reversal of 1075139 is 9315701.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1075139 - 2⁸ = 1074883 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 (1075133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2267 + ... + 2699.

It is an arithmetic number, because the mean of its divisors is an integer number (145824).

2^1075139 is an apocalyptic number.

1075139 is a deficient number, since it is larger than the sum of its proper divisors (91453).

1075139 is a wasteful number, since it uses less digits than its factorization.

1075139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637.

The product of its (nonzero) digits is 945, while the sum is 26.

The square root of 1075139 is about 1036.8890972520. The cubic root of 1075139 is about 102.4443957782. Note that the first 3 decimals are identical.

The spelling of 1075139 in words is "one million, seventy-five thousand, one hundred thirty-nine".