125140005 has 16 divisors (see below), whose sum is σ = 222471360. Its totient is φ = 66741264.

The previous prime is 125139983. The next prime is 125140021. The reversal of 125140005 is 500041521.

It is not a de Polignac number, because 125140005 - 2⁷ = 125139877 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125140005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 463347 + ... + 463616.

It is an arithmetic number, because the mean of its divisors is an integer number (13904460).

Almost surely, 2^125140005 is an apocalyptic number.

125140005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125140005 is a deficient number, since it is larger than the sum of its proper divisors (97331355).

125140005 is an equidigital number, since it uses as much as digits as its factorization.

125140005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926977 (or 926971 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 125140005 is about 11186.5993492214. The cubic root of 125140005 is about 500.1866036828.

Adding to 125140005 its reverse (500041521), we get a palindrome (625181526).

The spelling of 125140005 in words is "one hundred twenty-five million, one hundred forty thousand, five".