1239093 has 18 divisors (see below), whose sum is σ = 1868802. Its totient is φ = 790560.

The previous prime is 1239089. The next prime is 1239103. The reversal of 1239093 is 3909321.

It can be written as a sum of positive squares in 3 ways, for example, as 324 + 1238769 = 18^2 + 1113^2 .

It is not a de Polignac number, because 1239093 - 2² = 1239089 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1239013) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 20283 + ... + 20343.

2^1239093 is an apocalyptic number.

It is an amenable number.

1239093 is a deficient number, since it is larger than the sum of its proper divisors (629709).

1239093 is an equidigital number, since it uses as much as digits as its factorization.

1239093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 1239093 is about 1113.1455430446. The cubic root of 1239093 is about 107.4075065236.

It can be divided in two parts, 123 and 9093, that added together give a square (9216 = 96²).

The spelling of 1239093 in words is "one million, two hundred thirty-nine thousand, ninety-three".