125887508827 has 4 divisors (see below), whose sum is σ = 131360878800. Its totient is φ = 120414138856.

The previous prime is 125887508807. The next prime is 125887508837. The reversal of 125887508827 is 728805788521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 728805788521 = 1481 ⋅492103841.

It is a cyclic number.

It is not a de Polignac number, because 125887508827 - 2¹⁵ = 125887476059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125887508807) 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, 2736684952 + ... + 2736684997.

It is an arithmetic number, because the mean of its divisors is an integer number (32840219700).

Almost surely, 2^125887508827 is an apocalyptic number.

125887508827 is a deficient number, since it is larger than the sum of its proper divisors (5473369973).

125887508827 is an equidigital number, since it uses as much as digits as its factorization.

125887508827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5473369972.

The product of its (nonzero) digits is 20070400, while the sum is 61.

The spelling of 125887508827 in words is "one hundred twenty-five billion, eight hundred eighty-seven million, five hundred eight thousand, eight hundred twenty-seven".