121210597 has 2 divisors, whose sum is σ = 121210598. Its totient is φ = 121210596.

The previous prime is 121210553. The next prime is 121210601. The reversal of 121210597 is 795012121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120099681 + 1110916 = 10959^2 + 1054^2 .

It is a cyclic number.

It is not a de Polignac number, because 121210597 - 2⁷ = 121210469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121216597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60605298 + 60605299.

It is an arithmetic number, because the mean of its divisors is an integer number (60605299).

Almost surely, 2^121210597 is an apocalyptic number.

It is an amenable number.

121210597 is a deficient number, since it is larger than the sum of its proper divisors (1).

121210597 is an equidigital number, since it uses as much as digits as its factorization.

121210597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 28.

The square root of 121210597 is about 11009.5684293255. The cubic root of 121210597 is about 494.8955287467.

The spelling of 121210597 in words is "one hundred twenty-one million, two hundred ten thousand, five hundred ninety-seven".