120957227569 has 2 divisors, whose sum is σ = 120957227570. Its totient is φ = 120957227568.

The previous prime is 120957227537. The next prime is 120957227591. The reversal of 120957227569 is 965722759021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91271660544 + 29685567025 = 302112^2 + 172295^2 .

It is a cyclic number.

It is not a de Polignac number, because 120957227569 - 2⁵ = 120957227537 is a prime.

It is a super-2 number, since 2×120957227569² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (120957227869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60478613784 + 60478613785.

It is an arithmetic number, because the mean of its divisors is an integer number (60478613785).

Almost surely, 2^120957227569 is an apocalyptic number.

It is an amenable number.

120957227569 is a deficient number, since it is larger than the sum of its proper divisors (1).

120957227569 is an equidigital number, since it uses as much as digits as its factorization.

120957227569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4762800, while the sum is 55.

The spelling of 120957227569 in words is "one hundred twenty billion, nine hundred fifty-seven million, two hundred twenty-seven thousand, five hundred sixty-nine".