122153443 has 2 divisors, whose sum is σ = 122153444. Its totient is φ = 122153442.

The previous prime is 122153429. The next prime is 122153491. The reversal of 122153443 is 344351221.

It is a weak prime.

It is an emirp because it is prime and its reverse (344351221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 122153443 - 2¹⁷ = 122022371 is a prime.

It is not a weakly prime, because it can be changed into another prime (122153543) 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, 61076721 + 61076722.

It is an arithmetic number, because the mean of its divisors is an integer number (61076722).

Almost surely, 2^122153443 is an apocalyptic number.

122153443 is a deficient number, since it is larger than the sum of its proper divisors (1).

122153443 is an equidigital number, since it uses as much as digits as its factorization.

122153443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 25.

The square root of 122153443 is about 11052.3048727403. The cubic root of 122153443 is about 496.1754102859.

The spelling of 122153443 in words is "one hundred twenty-two million, one hundred fifty-three thousand, four hundred forty-three".