122009743 has 2 divisors, whose sum is σ = 122009744. Its totient is φ = 122009742.

The previous prime is 122009729. The next prime is 122009753. The reversal of 122009743 is 347900221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122009743 - 2⁹ = 122009231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122009753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61004871 + 61004872.

It is an arithmetic number, because the mean of its divisors is an integer number (61004872).

Almost surely, 2^122009743 is an apocalyptic number.

122009743 is a deficient number, since it is larger than the sum of its proper divisors (1).

122009743 is an equidigital number, since it uses as much as digits as its factorization.

122009743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 122009743 is about 11045.8020532689. The cubic root of 122009743 is about 495.9807687978.

Adding to 122009743 its reverse (347900221), we get a palindrome (469909964).

The spelling of 122009743 in words is "one hundred twenty-two million, nine thousand, seven hundred forty-three".