120626319969 has 9 divisors (see below), whose sum is σ = 174239522769. Its totient is φ = 80416852020.

The previous prime is 120626319911. The next prime is 120626319971. The reversal of 120626319969 is 969913626021.

The square root of 120626319969 is 347313.

It is a perfect power (a square), and thus also a powerful number.

120626319969 is a `hidden beast` number, since 1 + 2 + 0 + 626 + 3 + 1 + 9 + 9 + 6 + 9 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 120626319969 - 2¹¹ = 120626317921 is a prime.

It is a super-2 number, since 2×120626319969² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (120626319269) 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 in 8 ways as a sum of consecutive naturals, for example, 984054 + ... + 1099824.

Almost surely, 2^120626319969 is an apocalyptic number.

120626319969 is the 347313-rd square number.

120626319969 is the 173657-th centered octagonal number.

It is an amenable number.

120626319969 is a deficient number, since it is larger than the sum of its proper divisors (53613202800).

120626319969 is an frugal number, since it uses more digits than its factorization.

120626319969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231548 (or 115774 counting only the distinct ones).

The product of its (nonzero) digits is 1889568, while the sum is 54.

The spelling of 120626319969 in words is "one hundred twenty billion, six hundred twenty-six million, three hundred nineteen thousand, nine hundred sixty-nine".