1204120113 has 16 divisors (see below), whose sum is σ = 1852001280. Its totient is φ = 681636816.

The previous prime is 1204120111. The next prime is 1204120129. The reversal of 1204120113 is 3110214021.

It is not a de Polignac number, because 1204120113 - 2¹ = 1204120111 is a prime.

It is a super-2 number, since 2×1204120113² = 2899810493062265538, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1204120092 and 1204120101.

It is not an unprimeable number, because it can be changed into a prime (1204120111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265693 + ... + 270186.

It is an arithmetic number, because the mean of its divisors is an integer number (115750080).

Almost surely, 2^1204120113 is an apocalyptic number.

It is an amenable number.

1204120113 is a deficient number, since it is larger than the sum of its proper divisors (647881167).

1204120113 is a wasteful number, since it uses less digits than its factorization.

1204120113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535996.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1204120113 is about 34700.4339021863. The cubic root of 1204120113 is about 1063.8733669864.

Adding to 1204120113 its reverse (3110214021), we get a palindrome (4314334134).

The spelling of 1204120113 in words is "one billion, two hundred four million, one hundred twenty thousand, one hundred thirteen".