1255422133 has 8 divisors (see below), whose sum is σ = 1497149568. Its totient is φ = 1029290064.

The previous prime is 1255422121. The next prime is 1255422167. The reversal of 1255422133 is 3312245521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1255422133 - 2⁹ = 1255421621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255422533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3898666 + ... + 3898987.

It is an arithmetic number, because the mean of its divisors is an integer number (187143696).

Almost surely, 2^1255422133 is an apocalyptic number.

It is an amenable number.

1255422133 is a deficient number, since it is larger than the sum of its proper divisors (241727435).

1255422133 is an equidigital number, since it uses as much as digits as its factorization.

1255422133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7797683.

The product of its digits is 7200, while the sum is 28.

The square root of 1255422133 is about 35431.9366250280. The cubic root of 1255422133 is about 1078.7726492185.

Adding to 1255422133 its reverse (3312245521), we get a palindrome (4567667654).

The spelling of 1255422133 in words is "one billion, two hundred fifty-five million, four hundred twenty-two thousand, one hundred thirty-three".