1204551241 has 4 divisors (see below), whose sum is σ = 1210857984. Its totient is φ = 1198244500.

The previous prime is 1204551233. The next prime is 1204551247. The reversal of 1204551241 is 1421554021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1204551241 - 2³ = 1204551233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1204551247) 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, 3153085 + ... + 3153466.

It is an arithmetic number, because the mean of its divisors is an integer number (302714496).

Almost surely, 2^1204551241 is an apocalyptic number.

It is an amenable number.

1204551241 is a deficient number, since it is larger than the sum of its proper divisors (6306743).

1204551241 is an equidigital number, since it uses as much as digits as its factorization.

1204551241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6306742.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 1204551241 is about 34706.6454875720. The cubic root of 1204551241 is about 1064.0003229996. Note that the first 3 decimals are identical.

The spelling of 1204551241 in words is "one billion, two hundred four million, five hundred fifty-one thousand, two hundred forty-one".