1255208339 has 16 divisors (see below), whose sum is σ = 1566147840. Its totient is φ = 977326560.

The previous prime is 1255208293. The next prime is 1255208347. The reversal of 1255208339 is 9338025521.

It is not a de Polignac number, because 1255208339 - 2²⁰ = 1254159763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1255207339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106757 + ... + 117929.

It is an arithmetic number, because the mean of its divisors is an integer number (97884240).

Almost surely, 2^1255208339 is an apocalyptic number.

1255208339 is a deficient number, since it is larger than the sum of its proper divisors (310939501).

1255208339 is a wasteful number, since it uses less digits than its factorization.

1255208339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12650.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 1255208339 is about 35428.9195291079. The cubic root of 1255208339 is about 1078.7114086719.

The spelling of 1255208339 in words is "one billion, two hundred fifty-five million, two hundred eight thousand, three hundred thirty-nine".