121452893 has 2 divisors, whose sum is σ = 121452894. Its totient is φ = 121452892.

The previous prime is 121452853. The next prime is 121452901. The reversal of 121452893 is 398254121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 121066009 + 386884 = 11003^2 + 622^2 .

It is a cyclic number.

It is not a de Polignac number, because 121452893 - 2¹² = 121448797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121452853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60726446 + 60726447.

It is an arithmetic number, because the mean of its divisors is an integer number (60726447).

Almost surely, 2^121452893 is an apocalyptic number.

It is an amenable number.

121452893 is a deficient number, since it is larger than the sum of its proper divisors (1).

121452893 is an equidigital number, since it uses as much as digits as its factorization.

121452893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 35.

The square root of 121452893 is about 11020.5668184536. The cubic root of 121452893 is about 495.2250692299.

The spelling of 121452893 in words is "one hundred twenty-one million, four hundred fifty-two thousand, eight hundred ninety-three".