127112525 has 6 divisors (see below), whose sum is σ = 157619562. Its totient is φ = 101690000.

The previous prime is 127112521. The next prime is 127112537. The reversal of 127112525 is 525211721.

It can be written as a sum of positive squares in 3 ways, for example, as 21557449 + 105555076 = 4643^2 + 10274^2 .

It is not a de Polignac number, because 127112525 - 2² = 127112521 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 127112494 and 127112503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127112521) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2542226 + ... + 2542275.

It is an arithmetic number, because the mean of its divisors is an integer number (26269927).

Almost surely, 2^127112525 is an apocalyptic number.

It is an amenable number.

127112525 is a deficient number, since it is larger than the sum of its proper divisors (30507037).

127112525 is an equidigital number, since it uses as much as digits as its factorization.

127112525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5084511 (or 5084506 counting only the distinct ones).

The product of its digits is 1400, while the sum is 26.

The square root of 127112525 is about 11274.4190537695. The cubic root of 127112525 is about 502.8009797251.

The spelling of 127112525 in words is "one hundred twenty-seven million, one hundred twelve thousand, five hundred twenty-five".