122135243 has 2 divisors, whose sum is σ = 122135244. Its totient is φ = 122135242.

The previous prime is 122135231. The next prime is 122135291. The reversal of 122135243 is 342531221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122135243 - 2¹⁰ = 122134219 is a prime.

It is not a weakly prime, because it can be changed into another prime (122165243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61067621 + 61067622.

It is an arithmetic number, because the mean of its divisors is an integer number (61067622).

Almost surely, 2^122135243 is an apocalyptic number.

122135243 is a deficient number, since it is larger than the sum of its proper divisors (1).

122135243 is an equidigital number, since it uses as much as digits as its factorization.

122135243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1440, while the sum is 23.

The square root of 122135243 is about 11051.4814843984. The cubic root of 122135243 is about 496.1507668517.

Adding to 122135243 its reverse (342531221), we get a palindrome (464666464).

The spelling of 122135243 in words is "one hundred twenty-two million, one hundred thirty-five thousand, two hundred forty-three".