1255501204 has 12 divisors (see below), whose sum is σ = 2326370004. Its totient is φ = 590824064.

The previous prime is 1255501201. The next prime is 1255501223. The reversal of 1255501204 is 4021055521.

It can be written as a sum of positive squares in 2 ways, for example, as 717168400 + 538332804 = 26780^2 + 23202^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255501201) 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, 9231559 + ... + 9231694.

It is an arithmetic number, because the mean of its divisors is an integer number (193864167).

Almost surely, 2^1255501204 is an apocalyptic number.

It is an amenable number.

1255501204 is a deficient number, since it is larger than the sum of its proper divisors (1070868800).

1255501204 is a wasteful number, since it uses less digits than its factorization.

1255501204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18463274 (or 18463272 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 1255501204 is about 35433.0524228438. The cubic root of 1255501204 is about 1078.7952970698.

Adding to 1255501204 its reverse (4021055521), we get a palindrome (5276556725).

The spelling of 1255501204 in words is "one billion, two hundred fifty-five million, five hundred one thousand, two hundred four".