1241002684009 has 9 divisors (see below), whose sum is σ = 1364090799799. Its totient is φ = 1128173118160.

The previous prime is 1241002684007. The next prime is 1241002684039. The reversal of 1241002684009 is 9004862001421.

The square root of 1241002684009 is 1114003.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1202871530025 + 38131153984 = 1096755^2 + 195272^2 .

It is not a de Polignac number, because 1241002684009 - 2¹ = 1241002684007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1241002684007) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 12203397 + ... + 12304669.

Almost surely, 2^{1241002684009} is an apocalyptic number.

1241002684009 is the 1114003-rd square number.

1241002684009 is the 557002-nd centered octagonal number.

It is an amenable number.

1241002684009 is a deficient number, since it is larger than the sum of its proper divisors (123088115790).

1241002684009 is an frugal number, since it uses more digits than its factorization.

1241002684009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202568 (or 101284 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The spelling of 1241002684009 in words is "one trillion, two hundred forty-one billion, two million, six hundred eighty-four thousand, nine".