121301597 has 2 divisors, whose sum is σ = 121301598. Its totient is φ = 121301596.

The previous prime is 121301573. The next prime is 121301627. The reversal of 121301597 is 795103121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 114468601 + 6832996 = 10699^2 + 2614^2 .

It is a cyclic number.

It is not a de Polignac number, because 121301597 - 2²² = 117107293 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121301197) 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, 60650798 + 60650799.

It is an arithmetic number, because the mean of its divisors is an integer number (60650799).

Almost surely, 2^121301597 is an apocalyptic number.

It is an amenable number.

121301597 is a deficient number, since it is larger than the sum of its proper divisors (1).

121301597 is an equidigital number, since it uses as much as digits as its factorization.

121301597 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890, while the sum is 29.

The square root of 121301597 is about 11013.7004226554. The cubic root of 121301597 is about 495.0193469294.

The spelling of 121301597 in words is "one hundred twenty-one million, three hundred one thousand, five hundred ninety-seven".