1061139 has 8 divisors (see below), whose sum is σ = 1463760. Its totient is φ = 682976.

The previous prime is 1061129. The next prime is 1061141. The reversal of 1061139 is 9311601.

It is a happy number.

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 1061139 - 2⁵ = 1061107 is a prime.

It is a super-2 number, since 2×1061139² = 2252031954642, which contains 22 as substring.

1061139 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1061129) 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 in 7 ways as a sum of consecutive naturals, for example, 6012 + ... + 6185.

It is an arithmetic number, because the mean of its divisors is an integer number (182970).

2^1061139 is an apocalyptic number.

1061139 is a deficient number, since it is larger than the sum of its proper divisors (402621).

1061139 is a wasteful number, since it uses less digits than its factorization.

1061139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12229.

The product of its (nonzero) digits is 162, while the sum is 21.

The square root of 1061139 is about 1030.1160128840. The cubic root of 1061139 is about 101.9977892639.

The spelling of 1061139 in words is "one million, sixty-one thousand, one hundred thirty-nine".