1042369 has 2 divisors, whose sum is σ = 1042370. Its totient is φ = 1042368.

The previous prime is 1042357. The next prime is 1042373. The reversal of 1042369 is 9632401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1024144 + 18225 = 1012^2 + 135^2 .

It is an emirp because it is prime and its reverse (9632401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1042369 - 2⁷ = 1042241 is a prime.

It is a super-2 number, since 2×1042369² = 2173066264322, which contains 22 as substring.

It is equal to p₈₁₅₈₃ and since 1042369 and 81583 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (1042309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521184 + 521185.

It is an arithmetic number, because the mean of its divisors is an integer number (521185).

2^1042369 is an apocalyptic number.

It is an amenable number.

1042369 is a deficient number, since it is larger than the sum of its proper divisors (1).

1042369 is an equidigital number, since it uses as much as digits as its factorization.

1042369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1042369 is about 1020.9647398417. The cubic root of 1042369 is about 101.3928107182.

The spelling of 1042369 in words is "one million, forty-two thousand, three hundred sixty-nine".