127550225 has 24 divisors (see below), whose sum is σ = 173238912. Its totient is φ = 92388800.

The previous prime is 127550191. The next prime is 127550231. The reversal of 127550225 is 522055721.

It is not a de Polignac number, because 127550225 - 2¹² = 127546129 is a prime.

It is a Curzon 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, 79784 + ... + 81366.

It is an arithmetic number, because the mean of its divisors is an integer number (7218288).

Almost surely, 2^127550225 is an apocalyptic number.

It is an amenable number.

127550225 is a deficient number, since it is larger than the sum of its proper divisors (45688687).

127550225 is a wasteful number, since it uses less digits than its factorization.

127550225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1897 (or 1892 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 29.

The square root of 127550225 is about 11293.8135720402. The cubic root of 127550225 is about 503.3774345035.

The spelling of 127550225 in words is "one hundred twenty-seven million, five hundred fifty thousand, two hundred twenty-five".