1201258725 has 24 divisors (see below), whose sum is σ = 1988881632. Its totient is φ = 639768000.

The previous prime is 1201258657. The next prime is 1201258739. The reversal of 1201258725 is 5278521021.

It is not a de Polignac number, because 1201258725 - 2¹¹ = 1201256677 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44050 + ... + 65900.

It is an arithmetic number, because the mean of its divisors is an integer number (82870068).

Almost surely, 2^1201258725 is an apocalyptic number.

1201258725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1201258725 is a deficient number, since it is larger than the sum of its proper divisors (787622907).

1201258725 is a wasteful number, since it uses less digits than its factorization.

1201258725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22597 (or 22592 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 33.

The square root of 1201258725 is about 34659.1795200060. The cubic root of 1201258725 is about 1063.0299934869.

Adding to 1201258725 its reverse (5278521021), we get a palindrome (6479779746).

The spelling of 1201258725 in words is "one billion, two hundred one million, two hundred fifty-eight thousand, seven hundred twenty-five".