125065069 has 4 divisors (see below), whose sum is σ = 128445244. Its totient is φ = 121684896.

The previous prime is 125065063. The next prime is 125065093. The reversal of 125065069 is 960560521.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 104244100 + 20820969 = 10210^2 + 4563^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125065069 is a prime.

It is a super-2 number, since 2×125065069² = 31282542967949522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125065063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1690032 + ... + 1690105.

It is an arithmetic number, because the mean of its divisors is an integer number (32111311).

Almost surely, 2^125065069 is an apocalyptic number.

It is an amenable number.

125065069 is a deficient number, since it is larger than the sum of its proper divisors (3380175).

125065069 is an equidigital number, since it uses as much as digits as its factorization.

125065069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3380174.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 125065069 is about 11183.2494830438. The cubic root of 125065069 is about 500.0867436169.

The spelling of 125065069 in words is "one hundred twenty-five million, sixty-five thousand, sixty-nine".