1204542125 has 8 divisors (see below), whose sum is σ = 1503268728. Its totient is φ = 963633600.

The previous prime is 1204542113. The next prime is 1204542137. The reversal of 1204542125 is 5212454021.

It is an interprime number because it is at equal distance from previous prime (1204542113) and next prime (1204542137).

It can be written as a sum of positive squares in 4 ways, for example, as 33396841 + 1171145284 = 5779^2 + 34222^2 .

It is not a de Polignac number, because 1204542125 - 2¹⁰ = 1204541101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1204542094 and 1204542103.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4818044 + ... + 4818293.

It is an arithmetic number, because the mean of its divisors is an integer number (187908591).

Almost surely, 2^1204542125 is an apocalyptic number.

It is an amenable number.

1204542125 is a deficient number, since it is larger than the sum of its proper divisors (298726603).

1204542125 is an frugal number, since it uses more digits than its factorization.

1204542125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9636352 (or 9636342 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 1204542125 is about 34706.5141580079. The cubic root of 1204542125 is about 1063.9976388876.

Adding to 1204542125 its reverse (5212454021), we get a palindrome (6416996146).

The spelling of 1204542125 in words is "one billion, two hundred four million, five hundred forty-two thousand, one hundred twenty-five".