1363039 has 4 divisors (see below), whose sum is σ = 1407040. Its totient is φ = 1319040.

The previous prime is 1363031. The next prime is 1363051. The reversal of 1363039 is 9303631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9303631 = 73 ⋅127447.

It is a cyclic number.

It is not a de Polignac number, because 1363039 - 2³ = 1363031 is a prime.

It is an Ulam number.

It is a Duffinian number.

1363039 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1363031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21954 + ... + 22015.

It is an arithmetic number, because the mean of its divisors is an integer number (351760).

2^1363039 is an apocalyptic number.

1363039 is a deficient number, since it is larger than the sum of its proper divisors (44001).

1363039 is an equidigital number, since it uses as much as digits as its factorization.

1363039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44000.

The product of its (nonzero) digits is 1458, while the sum is 25.

The square root of 1363039 is about 1167.4926123963. The cubic root of 1363039 is about 110.8756283575.

The spelling of 1363039 in words is "one million, three hundred sixty-three thousand, thirty-nine".