1205052239 has 2 divisors, whose sum is σ = 1205052240. Its totient is φ = 1205052238.

The previous prime is 1205052229. The next prime is 1205052263. The reversal of 1205052239 is 9322505021.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1205052239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1205052209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 602526119 + 602526120.

It is an arithmetic number, because the mean of its divisors is an integer number (602526120).

Almost surely, 2^1205052239 is an apocalyptic number.

1205052239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1205052239 is an equidigital number, since it uses as much as digits as its factorization.

1205052239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 1205052239 is about 34713.8623463308. The cubic root of 1205052239 is about 1064.1478158663.

The spelling of 1205052239 in words is "one billion, two hundred five million, fifty-two thousand, two hundred thirty-nine".