120001109968409 has 2 divisors, whose sum is σ = 120001109968410. Its totient is φ = 120001109968408.

The previous prime is 120001109968309. The next prime is 120001109968429. The reversal of 120001109968409 is 904869901100021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 114434473734025 + 5566636234384 = 10697405^2 + 2359372^2 .

It is a cyclic number.

It is not a de Polignac number, because 120001109968409 - 2²⁸ = 120000841532953 is a prime.

It is not a weakly prime, because it can be changed into another prime (120001109968429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60000554984204 + 60000554984205.

It is an arithmetic number, because the mean of its divisors is an integer number (60000554984205).

Almost surely, 2^{120001109968409} is an apocalyptic number.

It is an amenable number.

120001109968409 is a deficient number, since it is larger than the sum of its proper divisors (1).

120001109968409 is an equidigital number, since it uses as much as digits as its factorization.

120001109968409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 50.

The spelling of 120001109968409 in words is "one hundred twenty trillion, one billion, one hundred nine million, nine hundred sixty-eight thousand, four hundred nine".