1255201246 has 16 divisors (see below), whose sum is σ = 2082435264. Its totient is φ = 563665824.

The previous prime is 1255201193. The next prime is 1255201247. The reversal of 1255201246 is 6421025521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255201247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 651430 + ... + 653353.

It is an arithmetic number, because the mean of its divisors is an integer number (130152204).

Almost surely, 2^1255201246 is an apocalyptic number.

1255201246 is a deficient number, since it is larger than the sum of its proper divisors (827234018).

1255201246 is a wasteful number, since it uses less digits than its factorization.

1255201246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304835.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 1255201246 is about 35428.8194271274. The cubic root of 1255201246 is about 1078.7093767875.

Adding to 1255201246 its reverse (6421025521), we get a palindrome (7676226767).

The spelling of 1255201246 in words is "one billion, two hundred fifty-five million, two hundred one thousand, two hundred forty-six".