1255004036 has 96 divisors (see below), whose sum is σ = 2790318720. Its totient is φ = 485222400.

The previous prime is 1255004021. The next prime is 1255004053. The reversal of 1255004036 is 6304005521.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 1255003996 and 1255004014.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 400556 + ... + 403676.

It is an arithmetic number, because the mean of its divisors is an integer number (29065820).

Almost surely, 2^1255004036 is an apocalyptic number.

It is an amenable number.

1255004036 is an abundant number, since it is smaller than the sum of its proper divisors (1535314684).

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

1255004036 is a wasteful number, since it uses less digits than its factorization.

1255004036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3205 (or 3203 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1255004036 is about 35426.0361316363. The cubic root of 1255004036 is about 1078.6528802911.

Adding to 1255004036 its reverse (6304005521), we get a palindrome (7559009557).

The spelling of 1255004036 in words is "one billion, two hundred fifty-five million, four thousand, thirty-six".