1205725604 has 24 divisors (see below), whose sum is σ = 2127565440. Its totient is φ = 597871424.

The previous prime is 1205725601. The next prime is 1205725607. The reversal of 1205725604 is 4065275021.

It is an interprime number because it is at equal distance from previous prime (1205725601) and next prime (1205725607).

It is not an unprimeable number, because it can be changed into a prime (1205725601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242657 + ... + 247575.

It is an arithmetic number, because the mean of its divisors is an integer number (88648560).

Almost surely, 2^1205725604 is an apocalyptic number.

It is an amenable number.

1205725604 is a deficient number, since it is larger than the sum of its proper divisors (921839836).

1205725604 is a wasteful number, since it uses less digits than its factorization.

1205725604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5419 (or 5417 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 1205725604 is about 34723.5597829485. The cubic root of 1205725604 is about 1064.3459888707.

The spelling of 1205725604 in words is "one billion, two hundred five million, seven hundred twenty-five thousand, six hundred four".