1260159825 has 12 divisors (see below), whose sum is σ = 2083464368. Its totient is φ = 672085200.

The previous prime is 1260159793. The next prime is 1260159863. The reversal of 1260159825 is 5289510621.

It is not a de Polignac number, because 1260159825 - 2⁵ = 1260159793 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8400991 + ... + 8401140.

Almost surely, 2^1260159825 is an apocalyptic number.

1260159825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1260159825 is a deficient number, since it is larger than the sum of its proper divisors (823304543).

1260159825 is a wasteful number, since it uses less digits than its factorization.

1260159825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16802144 (or 16802139 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 39.

The square root of 1260159825 is about 35498.7299068572. The cubic root of 1260159825 is about 1080.1279640899.

The spelling of 1260159825 in words is "one billion, two hundred sixty million, one hundred fifty-nine thousand, eight hundred twenty-five".