1293239 has 2 divisors, whose sum is σ = 1293240. Its totient is φ = 1293238.

The previous prime is 1293233. The next prime is 1293247. The reversal of 1293239 is 9323921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1293239 - 2⁸ = 1292983 is a prime.

It is a super-2 number, since 2×1293239² = 3344934222242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1293233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 646619 + 646620.

It is an arithmetic number, because the mean of its divisors is an integer number (646620).

2^1293239 is an apocalyptic number.

1293239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1293239 is an equidigital number, since it uses as much as digits as its factorization.

1293239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2916, while the sum is 29.

The square root of 1293239 is about 1137.2066654747. The cubic root of 1293239 is about 108.9497566043.

The spelling of 1293239 in words is "one million, two hundred ninety-three thousand, two hundred thirty-nine".