122134643 has 2 divisors, whose sum is σ = 122134644. Its totient is φ = 122134642.

The previous prime is 122134633. The next prime is 122134651. The reversal of 122134643 is 346431221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122134643 - 2²⁰ = 121086067 is a prime.

It is not a weakly prime, because it can be changed into another prime (122134633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61067321 + 61067322.

It is an arithmetic number, because the mean of its divisors is an integer number (61067322).

Almost surely, 2^122134643 is an apocalyptic number.

122134643 is a deficient number, since it is larger than the sum of its proper divisors (1).

122134643 is an equidigital number, since it uses as much as digits as its factorization.

122134643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 26.

The square root of 122134643 is about 11051.4543386832. The cubic root of 122134643 is about 496.1499543891.

Adding to 122134643 its reverse (346431221), we get a palindrome (468565864).

The spelling of 122134643 in words is "one hundred twenty-two million, one hundred thirty-four thousand, six hundred forty-three".