127648245 has 8 divisors (see below), whose sum is σ = 204237216. Its totient is φ = 68079056.

The previous prime is 127648237. The next prime is 127648249. The reversal of 127648245 is 542846721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 127648245 - 2³ = 127648237 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127648249) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4254927 + ... + 4254956.

It is an arithmetic number, because the mean of its divisors is an integer number (25529652).

Almost surely, 2^127648245 is an apocalyptic number.

127648245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

127648245 is a deficient number, since it is larger than the sum of its proper divisors (76588971).

127648245 is an equidigital number, since it uses as much as digits as its factorization.

127648245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8509891.

The product of its digits is 107520, while the sum is 39.

The square root of 127648245 is about 11298.1522825637. The cubic root of 127648245 is about 503.5063469177.

The spelling of 127648245 in words is "one hundred twenty-seven million, six hundred forty-eight thousand, two hundred forty-five".