122342145 has 16 divisors (see below), whose sum is σ = 197545920. Its totient is φ = 64649664.

The previous prime is 122342131. The next prime is 122342147. The reversal of 122342145 is 541243221.

It is not a de Polignac number, because 122342145 - 2²⁰ = 121293569 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (122342147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35779 + ... + 39048.

It is an arithmetic number, because the mean of its divisors is an integer number (12346620).

Almost surely, 2^122342145 is an apocalyptic number.

122342145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122342145 is a deficient number, since it is larger than the sum of its proper divisors (75203775).

122342145 is a wasteful number, since it uses less digits than its factorization.

122342145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74944.

The product of its digits is 1920, while the sum is 24.

The square root of 122342145 is about 11060.8383497816. The cubic root of 122342145 is about 496.4307752286.

Adding to 122342145 its reverse (541243221), we get a palindrome (663585366).

The spelling of 122342145 in words is "one hundred twenty-two million, three hundred forty-two thousand, one hundred forty-five".