1241679609 has 12 divisors (see below), whose sum is σ = 1899039636. Its totient is φ = 779092992.

The previous prime is 1241679599. The next prime is 1241679619. The reversal of 1241679609 is 9069761421.

1241679609 is a `hidden beast` number, since 1 + 24 + 16 + 7 + 9 + 609 = 666.

It is an interprime number because it is at equal distance from previous prime (1241679599) and next prime (1241679619).

It can be written as a sum of positive squares in 2 ways, for example, as 625250025 + 616429584 = 25005^2 + 24828^2 .

It is not a de Polignac number, because 1241679609 - 2⁸ = 1241679353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1241679619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4057624 + ... + 4057929.

It is an arithmetic number, because the mean of its divisors is an integer number (158253303).

Almost surely, 2^1241679609 is an apocalyptic number.

It is an amenable number.

1241679609 is a deficient number, since it is larger than the sum of its proper divisors (657360027).

1241679609 is a wasteful number, since it uses less digits than its factorization.

1241679609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8115576 (or 8115573 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The square root of 1241679609 is about 35237.4744980397. The cubic root of 1241679609 is about 1074.8219237028.

The spelling of 1241679609 in words is "one billion, two hundred forty-one million, six hundred seventy-nine thousand, six hundred nine".