1205054125 has 32 divisors (see below), whose sum is σ = 1654413696. Its totient is φ = 876282000.

The previous prime is 1205054113. The next prime is 1205054153. The reversal of 1205054125 is 5214505021.

It is not a de Polignac number, because 1205054125 - 2⁵ = 1205054093 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 1205054125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 162754 + ... + 169996.

It is an arithmetic number, because the mean of its divisors is an integer number (51700428).

Almost surely, 2^1205054125 is an apocalyptic number.

It is an amenable number.

1205054125 is a deficient number, since it is larger than the sum of its proper divisors (449359571).

1205054125 is an frugal number, since it uses more digits than its factorization.

1205054125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7291 (or 7259 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 1205054125 is about 34713.8895112605. The cubic root of 1205054125 is about 1064.1483710239.

Adding to 1205054125 its reverse (5214505021), we get a palindrome (6419559146).

The spelling of 1205054125 in words is "one billion, two hundred five million, fifty-four thousand, one hundred twenty-five".