121001197 has 2 divisors, whose sum is σ = 121001198. Its totient is φ = 121001196.

The previous prime is 121001161. The next prime is 121001203. The reversal of 121001197 is 791100121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104468841 + 16532356 = 10221^2 + 4066^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121001197 is a prime.

It is a super-3 number, since 3×121001197³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121001297) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60500598 + 60500599.

It is an arithmetic number, because the mean of its divisors is an integer number (60500599).

Almost surely, 2^121001197 is an apocalyptic number.

It is an amenable number.

121001197 is a deficient number, since it is larger than the sum of its proper divisors (1).

121001197 is an equidigital number, since it uses as much as digits as its factorization.

121001197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 22.

The square root of 121001197 is about 11000.0544089563. The cubic root of 121001197 is about 494.6103753020.

The spelling of 121001197 in words is "one hundred twenty-one million, one thousand, one hundred ninety-seven".