1255054122 has 128 divisors (see below), whose sum is σ = 3264307200. Its totient is φ = 350059968.

The previous prime is 1255054109. The next prime is 1255054169. The reversal of 1255054122 is 2214505521.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3419583 + ... + 3419949.

It is an arithmetic number, because the mean of its divisors is an integer number (25502400).

Almost surely, 2^1255054122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1255054122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1632153600).

1255054122 is an abundant number, since it is smaller than the sum of its proper divisors (2009253078).

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

1255054122 is a wasteful number, since it uses less digits than its factorization.

1255054122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 577 (or 571 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 1255054122 is about 35426.7430340414. The cubic root of 1255054122 is about 1078.6672294321.

Adding to 1255054122 its reverse (2214505521), we get a palindrome (3469559643).

The spelling of 1255054122 in words is "one billion, two hundred fifty-five million, fifty-four thousand, one hundred twenty-two".