122643546 has 16 divisors (see below), whose sum is σ = 251270208. Its totient is φ = 39884000.

The previous prime is 122643527. The next prime is 122643553. The reversal of 122643546 is 645346221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249030 + ... + 249521.

It is an arithmetic number, because the mean of its divisors is an integer number (15704388).

Almost surely, 2^122643546 is an apocalyptic number.

122643546 is an abundant number, since it is smaller than the sum of its proper divisors (128626662).

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

122643546 is a wasteful number, since it uses less digits than its factorization.

122643546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498597.

The product of its digits is 34560, while the sum is 33.

The square root of 122643546 is about 11074.4546592598. The cubic root of 122643546 is about 496.8381083642.

Adding to 122643546 its reverse (645346221), we get a palindrome (767989767).

The spelling of 122643546 in words is "one hundred twenty-two million, six hundred forty-three thousand, five hundred forty-six".