125827405 has 24 divisors (see below), whose sum is σ = 173890080. Its totient is φ = 86444640.

The previous prime is 125827381. The next prime is 125827423. The reversal of 125827405 is 504728521.

It is a happy number.

It is not a de Polignac number, because 125827405 - 2⁷ = 125827277 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 362442 + ... + 362788.

It is an arithmetic number, because the mean of its divisors is an integer number (7245420).

Almost surely, 2^125827405 is an apocalyptic number.

It is an amenable number.

125827405 is a deficient number, since it is larger than the sum of its proper divisors (48062675).

125827405 is an equidigital number, since it uses as much as digits as its factorization.

125827405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729 (or 382 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 125827405 is about 11217.2815334198. The cubic root of 125827405 is about 501.1007814486.

The spelling of 125827405 in words is "one hundred twenty-five million, eight hundred twenty-seven thousand, four hundred five".