1241641256 has 16 divisors (see below), whose sum is σ = 2328485940. Its totient is φ = 620711680.

The previous prime is 1241641249. The next prime is 1241641259. The reversal of 1241641256 is 6521461421.

It can be written as a sum of positive squares in 2 ways, for example, as 1009078756 + 232562500 = 31766^2 + 15250^2 .

It is not an unprimeable number, because it can be changed into a prime (1241641259) 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 3 ways as a sum of consecutive naturals, for example, 55376 + ... + 74496.

Almost surely, 2^1241641256 is an apocalyptic number.

It is an amenable number.

1241641256 is a deficient number, since it is larger than the sum of its proper divisors (1086844684).

1241641256 is a wasteful number, since it uses less digits than its factorization.

1241641256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27244 (or 27240 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 1241641256 is about 35236.9302862778. The cubic root of 1241641256 is about 1074.8108572223.

The spelling of 1241641256 in words is "one billion, two hundred forty-one million, six hundred forty-one thousand, two hundred fifty-six".