1255423152 has 20 divisors (see below), whose sum is σ = 3243176600. Its totient is φ = 418474368.

The previous prime is 1255423139. The next prime is 1255423159. The reversal of 1255423152 is 2513245521.

It is not an unprimeable number, because it can be changed into a prime (1255423159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13077277 + ... + 13077372.

It is an arithmetic number, because the mean of its divisors is an integer number (162158830).

Almost surely, 2^1255423152 is an apocalyptic number.

1255423152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1255423152 is an abundant number, since it is smaller than the sum of its proper divisors (1987753448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1255423152 is a wasteful number, since it uses less digits than its factorization.

1255423152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26154660 (or 26154654 counting only the distinct ones).

The product of its digits is 12000, while the sum is 30.

The square root of 1255423152 is about 35431.9510047076. The cubic root of 1255423152 is about 1078.7729410909.

Adding to 1255423152 its reverse (2513245521), we get a palindrome (3768668673).

The spelling of 1255423152 in words is "one billion, two hundred fifty-five million, four hundred twenty-three thousand, one hundred fifty-two".