127522047 has 16 divisors (see below), whose sum is σ = 174373760. Its totient is φ = 82851552.

The previous prime is 127522039. The next prime is 127522061. The reversal of 127522047 is 740225721.

It is not a de Polignac number, because 127522047 - 2³ = 127522039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127522027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79053 + ... + 80649.

It is an arithmetic number, because the mean of its divisors is an integer number (10898360).

Almost surely, 2^127522047 is an apocalyptic number.

127522047 is a deficient number, since it is larger than the sum of its proper divisors (46851713).

127522047 is a wasteful number, since it uses less digits than its factorization.

127522047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2262.

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 127522047 is about 11292.5660060059. The cubic root of 127522047 is about 503.3403635798.

Adding to 127522047 its reverse (740225721), we get a palindrome (867747768).

The spelling of 127522047 in words is "one hundred twenty-seven million, five hundred twenty-two thousand, forty-seven".