1356043 has 4 divisors (see below), whose sum is σ = 1460368. Its totient is φ = 1251720.

The previous prime is 1356037. The next prime is 1356053. The reversal of 1356043 is 3406531.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1356043 is a prime.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (1356053) 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, 52143 + ... + 52168.

It is an arithmetic number, because the mean of its divisors is an integer number (365092).

2^1356043 is an apocalyptic number.

1356043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1356043 is a deficient number, since it is larger than the sum of its proper divisors (104325).

1356043 is a wasteful number, since it uses less digits than its factorization.

1356043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104324.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 1356043 is about 1164.4925933642. The cubic root of 1356043 is about 110.6856076756.

The spelling of 1356043 in words is "one million, three hundred fifty-six thousand, forty-three".