121234493 has 2 divisors, whose sum is σ = 121234494. Its totient is φ = 121234492.

The previous prime is 121234489. The next prime is 121234517. The reversal of 121234493 is 394432121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86918329 + 34316164 = 9323^2 + 5858^2 .

It is an emirp because it is prime and its reverse (394432121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121234493 - 2² = 121234489 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121234433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60617246 + 60617247.

It is an arithmetic number, because the mean of its divisors is an integer number (60617247).

Almost surely, 2^121234493 is an apocalyptic number.

It is an amenable number.

121234493 is a deficient number, since it is larger than the sum of its proper divisors (1).

121234493 is an equidigital number, since it uses as much as digits as its factorization.

121234493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 29.

The square root of 121234493 is about 11010.6536136598. The cubic root of 121234493 is about 494.9280485835.

The spelling of 121234493 in words is "one hundred twenty-one million, two hundred thirty-four thousand, four hundred ninety-three".