1204025257 has 2 divisors, whose sum is σ = 1204025258. Its totient is φ = 1204025256.

The previous prime is 1204025239. The next prime is 1204025287. The reversal of 1204025257 is 7525204021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1199167641 + 4857616 = 34629^2 + 2204^2 .

It is a cyclic number.

It is not a de Polignac number, because 1204025257 - 2⁷ = 1204025129 is a prime.

It is not a weakly prime, because it can be changed into another prime (1204025287) 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 as a sum of consecutive naturals, namely, 602012628 + 602012629.

It is an arithmetic number, because the mean of its divisors is an integer number (602012629).

Almost surely, 2^1204025257 is an apocalyptic number.

It is an amenable number.

1204025257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1204025257 is an equidigital number, since it uses as much as digits as its factorization.

1204025257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 1204025257 is about 34699.0670912058. The cubic root of 1204025257 is about 1063.8454302877.

Adding to 1204025257 its reverse (7525204021), we get a palindrome (8729229278).

The spelling of 1204025257 in words is "one billion, two hundred four million, twenty-five thousand, two hundred fifty-seven".