127071925 has 12 divisors (see below), whose sum is σ = 157863780. Its totient is φ = 101467520.

The previous prime is 127071887. The next prime is 127071937. The reversal of 127071925 is 529170721.

It can be written as a sum of positive squares in 6 ways, for example, as 24373969 + 102697956 = 4937^2 + 10134^2 .

It is not a de Polignac number, because 127071925 - 2²³ = 118683317 is a prime.

It is a super-2 number, since 2×127071925² = 32294548246411250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 9759 + ... + 18691.

It is an arithmetic number, because the mean of its divisors is an integer number (13155315).

Almost surely, 2^127071925 is an apocalyptic number.

It is an amenable number.

127071925 is a deficient number, since it is larger than the sum of its proper divisors (30791855).

127071925 is an equidigital number, since it uses as much as digits as its factorization.

127071925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9512 (or 9507 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 34.

The square root of 127071925 is about 11272.6183737409. The cubic root of 127071925 is about 502.7474421382.

The spelling of 127071925 in words is "one hundred twenty-seven million, seventy-one thousand, nine hundred twenty-five".