122512146 has 16 divisors (see below), whose sum is σ = 245156544. Its totient is φ = 40815344.

The previous prime is 122512087. The next prime is 122512147. The reversal of 122512146 is 641215221.

It is not an unprimeable number, because it can be changed into a prime (122512147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9811 + ... + 18473.

It is an arithmetic number, because the mean of its divisors is an integer number (15322284).

Almost surely, 2^122512146 is an apocalyptic number.

122512146 is an abundant number, since it is smaller than the sum of its proper divisors (122644398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122512146 is a wasteful number, since it uses less digits than its factorization.

122512146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11025.

The product of its digits is 960, while the sum is 24.

The square root of 122512146 is about 11068.5204973384. The cubic root of 122512146 is about 496.6606079067.

Adding to 122512146 its reverse (641215221), we get a palindrome (763727367).

The spelling of 122512146 in words is "one hundred twenty-two million, five hundred twelve thousand, one hundred forty-six".