1255422132 has 48 divisors (see below), whose sum is σ = 3334195200. Its totient is φ = 408265920.

The previous prime is 1255422121. The next prime is 1255422167. The reversal of 1255422132 is 2312245521.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 1255422096 and 1255422105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137332 + ... + 146187.

It is an arithmetic number, because the mean of its divisors is an integer number (69462400).

Almost surely, 2^1255422132 is an apocalyptic number.

1255422132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1255422132 is an abundant number, since it is smaller than the sum of its proper divisors (2078773068).

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

1255422132 is a wasteful number, since it uses less digits than its factorization.

1255422132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283573 (or 283565 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 1255422132 is about 35431.9366109164. The cubic root of 1255422132 is about 1078.7726489321.

Adding to 1255422132 its reverse (2312245521), we get a palindrome (3567667653).

The spelling of 1255422132 in words is "one billion, two hundred fifty-five million, four hundred twenty-two thousand, one hundred thirty-two".