127771025 has 12 divisors (see below), whose sum is σ = 158620800. Its totient is φ = 102097680.

The previous prime is 127770989. The next prime is 127771037. The reversal of 127771025 is 520177721.

It is not a de Polignac number, because 127771025 - 2¹⁶ = 127705489 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 127770982 and 127771000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23516 + ... + 28434.

It is an arithmetic number, because the mean of its divisors is an integer number (13218400).

Almost surely, 2^127771025 is an apocalyptic number.

It is an amenable number.

127771025 is a deficient number, since it is larger than the sum of its proper divisors (30849775).

127771025 is a wasteful number, since it uses less digits than its factorization.

127771025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5968 (or 5963 counting only the distinct ones).

The product of its (nonzero) digits is 6860, while the sum is 32.

The square root of 127771025 is about 11303.5846084328. The cubic root of 127771025 is about 503.6677297317.

The spelling of 127771025 in words is "one hundred twenty-seven million, seven hundred seventy-one thousand, twenty-five".