1032391 has 2 divisors, whose sum is σ = 1032392. Its totient is φ = 1032390.

The previous prime is 1032377. The next prime is 1032397. The reversal of 1032391 is 1932301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1032391 - 2¹⁵ = 999623 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1032397) 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, 516195 + 516196.

It is an arithmetic number, because the mean of its divisors is an integer number (516196).

2^1032391 is an apocalyptic number.

1032391 is a deficient number, since it is larger than the sum of its proper divisors (1).

1032391 is an equidigital number, since it uses as much as digits as its factorization.

1032391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 1032391 is about 1016.0664348358. The cubic root of 1032391 is about 101.0682478312.

Adding to 1032391 its reverse (1932301), we get a palindrome (2964692).

The spelling of 1032391 in words is "one million, thirty-two thousand, three hundred ninety-one".