1125255239 has 2 divisors, whose sum is σ = 1125255240. Its totient is φ = 1125255238.

The previous prime is 1125255233. The next prime is 1125255253. The reversal of 1125255239 is 9325525211.

It is a weak prime.

It is an emirp because it is prime and its reverse (9325525211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1125255239 - 2¹² = 1125251143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1125255199 and 1125255208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1125255233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562627619 + 562627620.

It is an arithmetic number, because the mean of its divisors is an integer number (562627620).

Almost surely, 2^1125255239 is an apocalyptic number.

1125255239 is a deficient number, since it is larger than the sum of its proper divisors (1).

1125255239 is an equidigital number, since it uses as much as digits as its factorization.

1125255239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27000, while the sum is 35.

The square root of 1125255239 is about 33544.8243250729. The cubic root of 1125255239 is about 1040.1205601731.

The spelling of 1125255239 in words is "one billion, one hundred twenty-five million, two hundred fifty-five thousand, two hundred thirty-nine".