125797775 has 6 divisors (see below), whose sum is σ = 155989272. Its totient is φ = 100638200.

The previous prime is 125797769. The next prime is 125797801. The reversal of 125797775 is 577797521.

It is not a de Polignac number, because 125797775 - 2⁸ = 125797519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2515931 + ... + 2515980.

It is an arithmetic number, because the mean of its divisors is an integer number (25998212).

Almost surely, 2^125797775 is an apocalyptic number.

125797775 is a deficient number, since it is larger than the sum of its proper divisors (30191497).

125797775 is an equidigital number, since it uses as much as digits as its factorization.

125797775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5031921 (or 5031916 counting only the distinct ones).

The product of its digits is 1080450, while the sum is 50.

The square root of 125797775 is about 11215.9607256802. The cubic root of 125797775 is about 501.0614450742.

The spelling of 125797775 in words is "one hundred twenty-five million, seven hundred ninety-seven thousand, seven hundred seventy-five".