1204534117 has 2 divisors, whose sum is σ = 1204534118. Its totient is φ = 1204534116.

The previous prime is 1204534087. The next prime is 1204534129. The reversal of 1204534117 is 7114354021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 998496801 + 206037316 = 31599^2 + 14354^2 .

It is a cyclic number.

It is not a de Polignac number, because 1204534117 - 2¹⁵ = 1204501349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1204534187) 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, 602267058 + 602267059.

It is an arithmetic number, because the mean of its divisors is an integer number (602267059).

Almost surely, 2^1204534117 is an apocalyptic number.

It is an amenable number.

1204534117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1204534117 is an equidigital number, since it uses as much as digits as its factorization.

1204534117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 1204534117 is about 34706.3987904248. The cubic root of 1204534117 is about 1063.9952810035.

Adding to 1204534117 its reverse (7114354021), we get a palindrome (8318888138).

The spelling of 1204534117 in words is "one billion, two hundred four million, five hundred thirty-four thousand, one hundred seventeen".