1255412001 has 12 divisors (see below), whose sum is σ = 1733596592. Its totient is φ = 808079664.

The previous prime is 1255411987. The next prime is 1255412021. The reversal of 1255412001 is 1002145521.

It is not a de Polignac number, because 1255412001 - 2²⁵ = 1221857569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1255412021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 246271 + ... + 251316.

Almost surely, 2^1255412001 is an apocalyptic number.

It is an amenable number.

1255412001 is a deficient number, since it is larger than the sum of its proper divisors (478184591).

1255412001 is an equidigital number, since it uses as much as digits as its factorization.

1255412001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497648 (or 497619 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 1255412001 is about 35431.7936463849. The cubic root of 1255412001 is about 1078.7697470994.

Adding to 1255412001 its reverse (1002145521), we get a palindrome (2257557522).

The spelling of 1255412001 in words is "one billion, two hundred fifty-five million, four hundred twelve thousand, one".