122147204 has 24 divisors (see below), whose sum is σ = 223440000. Its totient is φ = 58316544.

The previous prime is 122147197. The next prime is 122147209. The reversal of 122147204 is 402741221.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 122147204.

It is not an unprimeable number, because it can be changed into a prime (122147209) 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, 97172 + ... + 98420.

It is an arithmetic number, because the mean of its divisors is an integer number (9310000).

Almost surely, 2^122147204 is an apocalyptic number.

It is an amenable number.

122147204 is a deficient number, since it is larger than the sum of its proper divisors (101292796).

122147204 is a wasteful number, since it uses less digits than its factorization.

122147204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2339 (or 2337 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 122147204 is about 11052.0226203171. The cubic root of 122147204 is about 496.1669627382.

Adding to 122147204 its reverse (402741221), we get a palindrome (524888425).

The spelling of 122147204 in words is "one hundred twenty-two million, one hundred forty-seven thousand, two hundred four".