1255231299 has 32 divisors (see below), whose sum is σ = 1932636160. Its totient is φ = 709847712.

The previous prime is 1255231267. The next prime is 1255231301. The reversal of 1255231299 is 9921325521.

It is not a de Polignac number, because 1255231299 - 2⁵ = 1255231267 is a prime.

It is a super-2 number, since 2×1255231299² = 3151211227978454802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1255231259) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1421112 + ... + 1421994.

It is an arithmetic number, because the mean of its divisors is an integer number (60394880).

Almost surely, 2^1255231299 is an apocalyptic number.

1255231299 is a deficient number, since it is larger than the sum of its proper divisors (677404861).

1255231299 is a wasteful number, since it uses less digits than its factorization.

1255231299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1519.

The product of its digits is 48600, while the sum is 39.

The square root of 1255231299 is about 35429.2435567004. The cubic root of 1255231299 is about 1078.7179858172.

The spelling of 1255231299 in words is "one billion, two hundred fifty-five million, two hundred thirty-one thousand, two hundred ninety-nine".