121442297 has 2 divisors, whose sum is σ = 121442298. Its totient is φ = 121442296.

The previous prime is 121442273. The next prime is 121442303. The reversal of 121442297 is 792244121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108597241 + 12845056 = 10421^2 + 3584^2 .

It is a cyclic number.

It is not a de Polignac number, because 121442297 - 2¹⁰ = 121441273 is a prime.

It is not a weakly prime, because it can be changed into another prime (121402297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60721148 + 60721149.

It is an arithmetic number, because the mean of its divisors is an integer number (60721149).

Almost surely, 2^121442297 is an apocalyptic number.

It is an amenable number.

121442297 is a deficient number, since it is larger than the sum of its proper divisors (1).

121442297 is an equidigital number, since it uses as much as digits as its factorization.

121442297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 32.

The square root of 121442297 is about 11020.0860704443. The cubic root of 121442297 is about 495.2106670550.

It can be divided in two parts, 12144 and 2297, that added together give a palindrome (14441).

The spelling of 121442297 in words is "one hundred twenty-one million, four hundred forty-two thousand, two hundred ninety-seven".