121359482401873 has 2 divisors, whose sum is σ = 121359482401874. Its totient is φ = 121359482401872.

The previous prime is 121359482401823. The next prime is 121359482401999. The reversal of 121359482401873 is 378104284953121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109295169351489 + 12064313050384 = 10454433^2 + 3473372^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121359482401873 is a prime.

It is not a weakly prime, because it can be changed into another prime (121359482401823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60679741200936 + 60679741200937.

It is an arithmetic number, because the mean of its divisors is an integer number (60679741200937).

Almost surely, 2^{121359482401873} is an apocalyptic number.

It is an amenable number.

121359482401873 is a deficient number, since it is larger than the sum of its proper divisors (1).

121359482401873 is an equidigital number, since it uses as much as digits as its factorization.

121359482401873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11612160, while the sum is 58.

The spelling of 121359482401873 in words is "one hundred twenty-one trillion, three hundred fifty-nine billion, four hundred eighty-two million, four hundred one thousand, eight hundred seventy-three".