125041805 has 32 divisors (see below), whose sum is σ = 174991104. Its totient is φ = 84013056.

The previous prime is 125041799. The next prime is 125041811. The reversal of 125041805 is 508140521.

It is an interprime number because it is at equal distance from previous prime (125041799) and next prime (125041811).

It is a cyclic number.

It is not a de Polignac number, because 125041805 - 2¹² = 125037709 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 31 ways as a sum of consecutive naturals, for example, 647789 + ... + 647981.

It is an arithmetic number, because the mean of its divisors is an integer number (5468472).

Almost surely, 2^125041805 is an apocalyptic number.

It is an amenable number.

125041805 is a deficient number, since it is larger than the sum of its proper divisors (49949299).

125041805 is a wasteful number, since it uses less digits than its factorization.

125041805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485.

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 125041805 is about 11182.2093076458. The cubic root of 125041805 is about 500.0557337873.

The spelling of 125041805 in words is "one hundred twenty-five million, forty-one thousand, eight hundred five".