1355039 has 4 divisors (see below), whose sum is σ = 1548624. Its totient is φ = 1161456.

The previous prime is 1355021. The next prime is 1355047. The reversal of 1355039 is 9305531.

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 1355039 - 2²⁰ = 306463 is a prime.

It is a super-2 number, since 2×1355039² = 3672261383042, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1354999 and 1355017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1355089) 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, 96782 + ... + 96795.

It is an arithmetic number, because the mean of its divisors is an integer number (387156).

2^1355039 is an apocalyptic number.

1355039 is a deficient number, since it is larger than the sum of its proper divisors (193585).

1355039 is an equidigital number, since it uses as much as digits as its factorization.

1355039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193584.

The product of its (nonzero) digits is 2025, while the sum is 26.

The square root of 1355039 is about 1164.0614244961. The cubic root of 1355039 is about 110.6582841105.

The spelling of 1355039 in words is "one million, three hundred fifty-five thousand, thirty-nine".