1204725 has 12 divisors (see below), whose sum is σ = 1991936. Its totient is φ = 642480.

The previous prime is 1204711. The next prime is 1204729. The reversal of 1204725 is 5274021.

It is not a de Polignac number, because 1204725 - 2⁷ = 1204597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7957 + ... + 8106.

2^1204725 is an apocalyptic number.

1204725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1204725 is a deficient number, since it is larger than the sum of its proper divisors (787211).

1204725 is a wasteful number, since it uses less digits than its factorization.

1204725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16076 (or 16071 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 1204725 is about 1097.5996537900. The cubic root of 1204725 is about 106.4051481953.

Adding to 1204725 its reverse (5274021), we get a palindrome (6478746).

The spelling of 1204725 in words is "one million, two hundred four thousand, seven hundred twenty-five".