121452329 has 2 divisors, whose sum is σ = 121452330. Its totient is φ = 121452328.

The previous prime is 121452293. The next prime is 121452361. The reversal of 121452329 is 923254121.

Together with previous prime (121452293) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119355625 + 2096704 = 10925^2 + 1448^2 .

It is a cyclic number.

It is not a de Polignac number, because 121452329 - 2¹² = 121448233 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (121452379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60726164 + 60726165.

It is an arithmetic number, because the mean of its divisors is an integer number (60726165).

Almost surely, 2^121452329 is an apocalyptic number.

It is an amenable number.

121452329 is a deficient number, since it is larger than the sum of its proper divisors (1).

121452329 is an equidigital number, since it uses as much as digits as its factorization.

121452329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 29.

The square root of 121452329 is about 11020.5412299034. The cubic root of 121452329 is about 495.2243026574.

The spelling of 121452329 in words is "one hundred twenty-one million, four hundred fifty-two thousand, three hundred twenty-nine".