120975427169 has 2 divisors, whose sum is σ = 120975427170. Its totient is φ = 120975427168.

The previous prime is 120975427141. The next prime is 120975427201. The reversal of 120975427169 is 961724579021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101291337169 + 19684090000 = 318263^2 + 140300^2 .

It is a cyclic number.

It is not a de Polignac number, because 120975427169 - 2²⁴ = 120958649953 is a prime.

It is a super-2 number, since 2×120975427169² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 120975427169.

It is not a weakly prime, because it can be changed into another prime (120975427109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60487713584 + 60487713585.

It is an arithmetic number, because the mean of its divisors is an integer number (60487713585).

Almost surely, 2^120975427169 is an apocalyptic number.

It is an amenable number.

120975427169 is a deficient number, since it is larger than the sum of its proper divisors (1).

120975427169 is an equidigital number, since it uses as much as digits as its factorization.

120975427169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1905120, while the sum is 53.

The spelling of 120975427169 in words is "one hundred twenty billion, nine hundred seventy-five million, four hundred twenty-seven thousand, one hundred sixty-nine".