1204442125 has 8 divisors (see below), whose sum is σ = 1503143928. Its totient is φ = 963553600.

The previous prime is 1204442087. The next prime is 1204442131. The reversal of 1204442125 is 5212444021.

It can be written as a sum of positive squares in 4 ways, for example, as 338081769 + 866360356 = 18387^2 + 29434^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1204442125 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1204442125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4817644 + ... + 4817893.

It is an arithmetic number, because the mean of its divisors is an integer number (187892991).

Almost surely, 2^1204442125 is an apocalyptic number.

It is an amenable number.

1204442125 is a deficient number, since it is larger than the sum of its proper divisors (298701803).

1204442125 is an frugal number, since it uses more digits than its factorization.

1204442125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9635552 (or 9635542 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 1204442125 is about 34705.0734763665. The cubic root of 1204442125 is about 1063.9681940315.

Adding to 1204442125 its reverse (5212444021), we get a palindrome (6416886146).

The spelling of 1204442125 in words is "one billion, two hundred four million, four hundred forty-two thousand, one hundred twenty-five".