1072539 has 24 divisors (see below), whose sum is σ = 1703520. Its totient is φ = 646272.

The previous prime is 1072537. The next prime is 1072543. The reversal of 1072539 is 9352701.

It is not a de Polignac number, because 1072539 - 2¹ = 1072537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1072537) 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 23 ways as a sum of consecutive naturals, for example, 10362 + ... + 10464.

It is an arithmetic number, because the mean of its divisors is an integer number (70980).

2^1072539 is an apocalyptic number.

1072539 is a deficient number, since it is larger than the sum of its proper divisors (630981).

1072539 is a wasteful number, since it uses less digits than its factorization.

1072539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 1072539 is about 1035.6345880667. The cubic root of 1072539 is about 102.3617489681.

The spelling of 1072539 in words is "one million, seventy-two thousand, five hundred thirty-nine".