121322347 has 2 divisors, whose sum is σ = 121322348. Its totient is φ = 121322346.

The previous prime is 121322339. The next prime is 121322363. The reversal of 121322347 is 743223121.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121322347 - 2³ = 121322339 is a prime.

It is a super-2 number, since 2×121322347² = 29438223763176818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (121322317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60661173 + 60661174.

It is an arithmetic number, because the mean of its divisors is an integer number (60661174).

Almost surely, 2^121322347 is an apocalyptic number.

121322347 is a deficient number, since it is larger than the sum of its proper divisors (1).

121322347 is an equidigital number, since it uses as much as digits as its factorization.

121322347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 25.

The square root of 121322347 is about 11014.6423909267. The cubic root of 121322347 is about 495.0475715257.

Adding to 121322347 its reverse (743223121), we get a palindrome (864545468).

The spelling of 121322347 in words is "one hundred twenty-one million, three hundred twenty-two thousand, three hundred forty-seven".