1259725063 has 4 divisors (see below), whose sum is σ = 1260601920. Its totient is φ = 1258848208.

The previous prime is 1259725057. The next prime is 1259725087. The reversal of 1259725063 is 3605279521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1259725063 - 2⁵ = 1259725031 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 (1259725003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436270 + ... + 439147.

It is an arithmetic number, because the mean of its divisors is an integer number (315150480).

Almost surely, 2^1259725063 is an apocalyptic number.

1259725063 is a deficient number, since it is larger than the sum of its proper divisors (876857).

1259725063 is an equidigital number, since it uses as much as digits as its factorization.

1259725063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876856.

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 1259725063 is about 35492.6057510575. The cubic root of 1259725063 is about 1080.0037331261.

The spelling of 1259725063 in words is "one billion, two hundred fifty-nine million, seven hundred twenty-five thousand, sixty-three".