1369243 has 2 divisors, whose sum is σ = 1369244. Its totient is φ = 1369242.

The previous prime is 1369229. The next prime is 1369297. The reversal of 1369243 is 3429631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1369243 - 2¹³ = 1361051 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1369223) 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 as a sum of consecutive naturals, namely, 684621 + 684622.

It is an arithmetic number, because the mean of its divisors is an integer number (684622).

2^1369243 is an apocalyptic number.

1369243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1369243 is an equidigital number, since it uses as much as digits as its factorization.

1369243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888, while the sum is 28.

The square root of 1369243 is about 1170.1465720157. The cubic root of 1369243 is about 111.0435940554.

The spelling of 1369243 in words is "one million, three hundred sixty-nine thousand, two hundred forty-three".