127700125 has 24 divisors (see below), whose sum is σ = 185398200. Its totient is φ = 87561600.

The previous prime is 127700119. The next prime is 127700143. The reversal of 127700125 is 521007721.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 213444 + 127486681 = 462^2 + 11291^2 .

It is not a de Polignac number, because 127700125 - 2⁵ = 127700093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 127700125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4300 + ... + 16549.

It is an arithmetic number, because the mean of its divisors is an integer number (7724925).

Almost surely, 2^127700125 is an apocalyptic number.

It is an amenable number.

127700125 is a deficient number, since it is larger than the sum of its proper divisors (57698075).

127700125 is an equidigital number, since it uses as much as digits as its factorization.

127700125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20878 (or 20861 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 25.

The square root of 127700125 is about 11300.4479999689. The cubic root of 127700125 is about 503.5745509398.

Adding to 127700125 its reverse (521007721), we get a palindrome (648707846).

The spelling of 127700125 in words is "one hundred twenty-seven million, seven hundred thousand, one hundred twenty-five".