123190597 has 2 divisors, whose sum is σ = 123190598. Its totient is φ = 123190596.

The previous prime is 123190589. The next prime is 123190633. The reversal of 123190597 is 795091321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122965921 + 224676 = 11089^2 + 474^2 .

It is a cyclic number.

It is not a de Polignac number, because 123190597 - 2³ = 123190589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123190567) 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, 61595298 + 61595299.

It is an arithmetic number, because the mean of its divisors is an integer number (61595299).

Almost surely, 2^123190597 is an apocalyptic number.

It is an amenable number.

123190597 is a deficient number, since it is larger than the sum of its proper divisors (1).

123190597 is an equidigital number, since it uses as much as digits as its factorization.

123190597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17010, while the sum is 37.

The square root of 123190597 is about 11099.1259565787. The cubic root of 123190597 is about 497.5757274690.

The spelling of 123190597 in words is "one hundred twenty-three million, one hundred ninety thousand, five hundred ninety-seven".