1062139 has 4 divisors (see below), whose sum is σ = 1143856. Its totient is φ = 980424.

The previous prime is 1062121. The next prime is 1062169. The reversal of 1062139 is 9312601.

1062139 = 76² + 77² + ... + 153².

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1062139 - 2⁵ = 1062107 is a prime.

It is a super-2 number, since 2×1062139² = 2256278510642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1062169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40839 + ... + 40864.

It is an arithmetic number, because the mean of its divisors is an integer number (285964).

2^1062139 is an apocalyptic number.

1062139 is a deficient number, since it is larger than the sum of its proper divisors (81717).

1062139 is an equidigital number, since it uses as much as digits as its factorization.

1062139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81716.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 1062139 is about 1030.6012808065. The cubic root of 1062139 is about 102.0298195526.

The spelling of 1062139 in words is "one million, sixty-two thousand, one hundred thirty-nine".