1204255613 has 8 divisors (see below), whose sum is σ = 1349240160. Its totient is φ = 1065188880.

The previous prime is 1204255603. The next prime is 1204255627. The reversal of 1204255613 is 3165524021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1204255613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204255603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1479023 + ... + 1479836.

It is an arithmetic number, because the mean of its divisors is an integer number (168655020).

Almost surely, 2^1204255613 is an apocalyptic number.

It is an amenable number.

1204255613 is a deficient number, since it is larger than the sum of its proper divisors (144984547).

1204255613 is a wasteful number, since it uses less digits than its factorization.

1204255613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2958907.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 1204255613 is about 34702.3862724165. The cubic root of 1204255613 is about 1063.9132714867.

Adding to 1204255613 its reverse (3165524021), we get a palindrome (4369779634).

The spelling of 1204255613 in words is "one billion, two hundred four million, two hundred fifty-five thousand, six hundred thirteen".