125812605287 has 8 divisors (see below), whose sum is σ = 127446896016. Its totient is φ = 124186804992.

The previous prime is 125812605283. The next prime is 125812605367. The reversal of 125812605287 is 782506218521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 125812605287 - 2² = 125812605283 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 (125812605283) 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, 2092778 + ... + 2152055.

It is an arithmetic number, because the mean of its divisors is an integer number (15930862002).

Almost surely, 2^125812605287 is an apocalyptic number.

125812605287 is a deficient number, since it is larger than the sum of its proper divisors (1634290729).

125812605287 is a wasteful number, since it uses less digits than its factorization.

125812605287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4245217.

The product of its (nonzero) digits is 537600, while the sum is 47.

The spelling of 125812605287 in words is "one hundred twenty-five billion, eight hundred twelve million, six hundred five thousand, two hundred eighty-seven".