1259963125 has 10 divisors (see below), whose sum is σ = 1574450702. Its totient is φ = 1007970000.

The previous prime is 1259963119. The next prime is 1259963129. The reversal of 1259963125 is 5213699521.

1259963125 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 5 ways, for example, as 328370641 + 931592484 = 18121^2 + 30522^2 .

It is not a de Polignac number, because 1259963125 - 2⁷ = 1259962997 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 (1259963129) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1007346 + ... + 1008595.

Almost surely, 2^1259963125 is an apocalyptic number.

It is an amenable number.

1259963125 is a deficient number, since it is larger than the sum of its proper divisors (314487577).

1259963125 is an frugal number, since it uses more digits than its factorization.

1259963125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2015961 (or 2015946 counting only the distinct ones).

The product of its digits is 145800, while the sum is 43.

The square root of 1259963125 is about 35495.9592770783. The cubic root of 1259963125 is about 1080.0717616354.

The spelling of 1259963125 in words is "one billion, two hundred fifty-nine million, nine hundred sixty-three thousand, one hundred twenty-five".