120019597 has 2 divisors, whose sum is σ = 120019598. Its totient is φ = 120019596.

The previous prime is 120019591. The next prime is 120019619. The reversal of 120019597 is 795910021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83283876 + 36735721 = 9126^2 + 6061^2 .

It is a cyclic number.

It is not a de Polignac number, because 120019597 - 2⁷ = 120019469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120019591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60009798 + 60009799.

It is an arithmetic number, because the mean of its divisors is an integer number (60009799).

Almost surely, 2^120019597 is an apocalyptic number.

It is an amenable number.

120019597 is a deficient number, since it is larger than the sum of its proper divisors (1).

120019597 is an equidigital number, since it uses as much as digits as its factorization.

120019597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5670, while the sum is 34.

The square root of 120019597 is about 10955.3455901674. The cubic root of 120019597 is about 493.2692636035.

The spelling of 120019597 in words is "one hundred twenty million, nineteen thousand, five hundred ninety-seven".