120626535917 has 2 divisors, whose sum is σ = 120626535918. Its totient is φ = 120626535916.

The previous prime is 120626535901. The next prime is 120626535929. The reversal of 120626535917 is 719535626021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 115052569636 + 5573966281 = 339194^2 + 74659^2 .

It is a cyclic number.

It is not a de Polignac number, because 120626535917 - 2⁴ = 120626535901 is a prime.

It is a super-2 number, since 2×120626535917² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120626535937) 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, 60313267958 + 60313267959.

It is an arithmetic number, because the mean of its divisors is an integer number (60313267959).

Almost surely, 2^120626535917 is an apocalyptic number.

It is an amenable number.

120626535917 is a deficient number, since it is larger than the sum of its proper divisors (1).

120626535917 is an equidigital number, since it uses as much as digits as its factorization.

120626535917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 680400, while the sum is 47.

The spelling of 120626535917 in words is "one hundred twenty billion, six hundred twenty-six million, five hundred thirty-five thousand, nine hundred seventeen".