120667517 has 2 divisors, whose sum is σ = 120667518. Its totient is φ = 120667516.

The previous prime is 120667511. The next prime is 120667541. The reversal of 120667517 is 715766021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97732996 + 22934521 = 9886^2 + 4789^2 .

It is a cyclic number.

It is not a de Polignac number, because 120667517 - 2¹² = 120663421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120667511) 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, 60333758 + 60333759.

It is an arithmetic number, because the mean of its divisors is an integer number (60333759).

Almost surely, 2^120667517 is an apocalyptic number.

It is an amenable number.

120667517 is a deficient number, since it is larger than the sum of its proper divisors (1).

120667517 is an equidigital number, since it uses as much as digits as its factorization.

120667517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 120667517 is about 10984.8767403189. The cubic root of 120667517 is about 494.1553012024.

The spelling of 120667517 in words is "one hundred twenty million, six hundred sixty-seven thousand, five hundred seventeen".