1242440113099 has 2 divisors, whose sum is σ = 1242440113100. Its totient is φ = 1242440113098.

The previous prime is 1242440113063. The next prime is 1242440113111. The reversal of 1242440113099 is 9903110442421.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1242440113099 - 2⁷ = 1242440112971 is a prime.

It is a super-2 number, since 2×1242440113099² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1242440113049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 621220056549 + 621220056550.

It is an arithmetic number, because the mean of its divisors is an integer number (621220056550).

Almost surely, 2^{1242440113099} is an apocalyptic number.

1242440113099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1242440113099 is an equidigital number, since it uses as much as digits as its factorization.

1242440113099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 40.

The spelling of 1242440113099 in words is "one trillion, two hundred forty-two billion, four hundred forty million, one hundred thirteen thousand, ninety-nine".