1204113155 has 8 divisors (see below), whose sum is σ = 1651355232. Its totient is φ = 825677568.

The previous prime is 1204113149. The next prime is 1204113161. The reversal of 1204113155 is 5513114021.

It is an interprime number because it is at equal distance from previous prime (1204113149) and next prime (1204113161).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1204113155 - 2⁶ = 1204113091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1204113155.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17201582 + ... + 17201651.

It is an arithmetic number, because the mean of its divisors is an integer number (206419404).

Almost surely, 2^1204113155 is an apocalyptic number.

1204113155 is a deficient number, since it is larger than the sum of its proper divisors (447242077).

1204113155 is an equidigital number, since it uses as much as digits as its factorization.

1204113155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34403245.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 1204113155 is about 34700.3336439291. Note that the first 3 decimals coincide. The cubic root of 1204113155 is about 1063.8713177874.

Adding to 1204113155 its reverse (5513114021), we get a palindrome (6717227176).

The spelling of 1204113155 in words is "one billion, two hundred four million, one hundred thirteen thousand, one hundred fifty-five".