1073239 has 2 divisors, whose sum is σ = 1073240. Its totient is φ = 1073238.

The previous prime is 1073221. The next prime is 1073243. The reversal of 1073239 is 9323701.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1073239 - 2¹³ = 1065047 is a prime.

It is a super-2 number, since 2×1073239² = 2303683902242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1073209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536619 + 536620.

It is an arithmetic number, because the mean of its divisors is an integer number (536620).

2^1073239 is an apocalyptic number.

1073239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1073239 is an equidigital number, since it uses as much as digits as its factorization.

1073239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 1073239 is about 1035.9724899822. The cubic root of 1073239 is about 102.3840131598.

The spelling of 1073239 in words is "one million, seventy-three thousand, two hundred thirty-nine".