121151297 has 2 divisors, whose sum is σ = 121151298. Its totient is φ = 121151296.

The previous prime is 121151293. The next prime is 121151309. The reversal of 121151297 is 792151121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65141041 + 56010256 = 8071^2 + 7484^2 .

It is a cyclic number.

It is not a de Polignac number, because 121151297 - 2² = 121151293 is a prime.

It is not a weakly prime, because it can be changed into another prime (121151293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60575648 + 60575649.

It is an arithmetic number, because the mean of its divisors is an integer number (60575649).

Almost surely, 2^121151297 is an apocalyptic number.

It is an amenable number.

121151297 is a deficient number, since it is larger than the sum of its proper divisors (1).

121151297 is an equidigital number, since it uses as much as digits as its factorization.

121151297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1260, while the sum is 29.

The square root of 121151297 is about 11006.8749879337. The cubic root of 121151297 is about 494.8148094786.

The spelling of 121151297 in words is "one hundred twenty-one million, one hundred fifty-one thousand, two hundred ninety-seven".