1204342255 has 4 divisors (see below), whose sum is σ = 1445210712. Its totient is φ = 963473800.

The previous prime is 1204342253. The next prime is 1204342309. The reversal of 1204342255 is 5522434021.

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

It is not a de Polignac number, because 1204342255 - 2¹ = 1204342253 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 (1204342253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120434221 + ... + 120434230.

It is an arithmetic number, because the mean of its divisors is an integer number (361302678).

Almost surely, 2^1204342255 is an apocalyptic number.

1204342255 is a deficient number, since it is larger than the sum of its proper divisors (240868457).

1204342255 is an equidigital number, since it uses as much as digits as its factorization.

1204342255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240868456.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 1204342255 is about 34703.6346079197. The cubic root of 1204342255 is about 1063.9387858271.

Adding to 1204342255 its reverse (5522434021), we get a palindrome (6726776276).

The spelling of 1204342255 in words is "one billion, two hundred four million, three hundred forty-two thousand, two hundred fifty-five".