122734161 has 12 divisors (see below), whose sum is σ = 193399440. Its totient is φ = 74384280.

The previous prime is 122734147. The next prime is 122734201. The reversal of 122734161 is 161437221.

It is not a de Polignac number, because 122734161 - 2⁹ = 122733649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (122734111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 619771 + ... + 619968.

It is an arithmetic number, because the mean of its divisors is an integer number (16116620).

Almost surely, 2^122734161 is an apocalyptic number.

122734161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122734161 is a deficient number, since it is larger than the sum of its proper divisors (70665279).

122734161 is a wasteful number, since it uses less digits than its factorization.

122734161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239756 (or 1239753 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 122734161 is about 11078.5450759565. The cubic root of 122734161 is about 496.9604409377.

The spelling of 122734161 in words is "one hundred twenty-two million, seven hundred thirty-four thousand, one hundred sixty-one".