125041665 has 16 divisors (see below), whose sum is σ = 228647808. Its totient is φ = 57161856.

The previous prime is 125041663. The next prime is 125041669. The reversal of 125041665 is 566140521.

It is not a de Polignac number, because 125041665 - 2¹ = 125041663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125041661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 595332 + ... + 595541.

It is an arithmetic number, because the mean of its divisors is an integer number (14290488).

Almost surely, 2^125041665 is an apocalyptic number.

125041665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125041665 is a deficient number, since it is larger than the sum of its proper divisors (103606143).

125041665 is a wasteful number, since it uses less digits than its factorization.

125041665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190888.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 125041665 is about 11182.2030477004. The cubic root of 125041665 is about 500.0555471621.

The spelling of 125041665 in words is "one hundred twenty-five million, forty-one thousand, six hundred sixty-five".