125730827 has 4 divisors (see below), whose sum is σ = 133126776. Its totient is φ = 118334880.

The previous prime is 125730799. The next prime is 125730833. The reversal of 125730827 is 728037521.

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 125730827 - 2⁶ = 125730763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125730427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3697949 + ... + 3697982.

It is an arithmetic number, because the mean of its divisors is an integer number (33281694).

Almost surely, 2^125730827 is an apocalyptic number.

125730827 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

125730827 is a deficient number, since it is larger than the sum of its proper divisors (7395949).

125730827 is an equidigital number, since it uses as much as digits as its factorization.

125730827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7395948.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 125730827 is about 11212.9758315980. The cubic root of 125730827 is about 500.9725430934.

The spelling of 125730827 in words is "one hundred twenty-five million, seven hundred thirty thousand, eight hundred twenty-seven".