122563146 has 16 divisors (see below), whose sum is σ = 247881600. Its totient is φ = 40395168.

The previous prime is 122563141. The next prime is 122563163. The reversal of 122563146 is 641365221.

It is not an unprimeable number, because it can be changed into a prime (122563141) 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, 114226 + ... + 115293.

It is an arithmetic number, because the mean of its divisors is an integer number (15492600).

Almost surely, 2^122563146 is an apocalyptic number.

122563146 is an abundant number, since it is smaller than the sum of its proper divisors (125318454).

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

122563146 is a wasteful number, since it uses less digits than its factorization.

122563146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229613.

The product of its digits is 8640, while the sum is 30.

The square root of 122563146 is about 11070.8240885672. The cubic root of 122563146 is about 496.7295158418.

The spelling of 122563146 in words is "one hundred twenty-two million, five hundred sixty-three thousand, one hundred forty-six".