122143204 has 6 divisors (see below), whose sum is σ = 213750614. Its totient is φ = 61071600.

The previous prime is 122143199. The next prime is 122143213. The reversal of 122143204 is 402341221.

It can be written as a sum of positive squares in only one way, i.e., 119246400 + 2896804 = 10920^2 + 1702^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15267897 + ... + 15267904.

Almost surely, 2^122143204 is an apocalyptic number.

It is an amenable number.

122143204 is a deficient number, since it is larger than the sum of its proper divisors (91607410).

122143204 is a wasteful number, since it uses less digits than its factorization.

122143204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30535805 (or 30535803 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 122143204 is about 11051.8416564842. The cubic root of 122143204 is about 496.1615466243.

Adding to 122143204 its reverse (402341221), we get a palindrome (524484425).

The spelling of 122143204 in words is "one hundred twenty-two million, one hundred forty-three thousand, two hundred four".