121399367 has 2 divisors, whose sum is σ = 121399368. Its totient is φ = 121399366.

The previous prime is 121399357. The next prime is 121399387. The reversal of 121399367 is 763993121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121399367 - 2⁸ = 121399111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121399357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60699683 + 60699684.

It is an arithmetic number, because the mean of its divisors is an integer number (60699684).

Almost surely, 2^121399367 is an apocalyptic number.

121399367 is a deficient number, since it is larger than the sum of its proper divisors (1).

121399367 is an equidigital number, since it uses as much as digits as its factorization.

121399367 is an evil number, because the sum of its binary digits is even.

The product of its digits is 61236, while the sum is 41.

The square root of 121399367 is about 11018.1380913474. The cubic root of 121399367 is about 495.1523076530.

The spelling of 121399367 in words is "one hundred twenty-one million, three hundred ninety-nine thousand, three hundred sixty-seven".