1204040122 has 4 divisors (see below), whose sum is σ = 1806060186. Its totient is φ = 602020060.

The previous prime is 1204040111. The next prime is 1204040141. The reversal of 1204040122 is 2210404021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1129027201 + 75012921 = 33601^2 + 8661^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1204040096 and 1204040105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 301010029 + ... + 301010032.

Almost surely, 2^1204040122 is an apocalyptic number.

1204040122 is a deficient number, since it is larger than the sum of its proper divisors (602020064).

1204040122 is an equidigital number, since it uses as much as digits as its factorization.

1204040122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602020063.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1204040122 is about 34699.2812893870. The cubic root of 1204040122 is about 1063.8498083790.

Adding to 1204040122 its reverse (2210404021), we get a palindrome (3414444143).

The spelling of 1204040122 in words is "one billion, two hundred four million, forty thousand, one hundred twenty-two".