127982495 has 4 divisors (see below), whose sum is σ = 153579000. Its totient is φ = 102385992.

The previous prime is 127982489. The next prime is 127982497. The reversal of 127982495 is 594289721.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 127982495 - 2¹⁰ = 127981471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127982497) 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 3 ways as a sum of consecutive naturals, for example, 12798245 + ... + 12798254.

It is an arithmetic number, because the mean of its divisors is an integer number (38394750).

Almost surely, 2^127982495 is an apocalyptic number.

127982495 is a deficient number, since it is larger than the sum of its proper divisors (25596505).

127982495 is an equidigital number, since it uses as much as digits as its factorization.

127982495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25596504.

The product of its digits is 362880, while the sum is 47.

The square root of 127982495 is about 11312.9348535205. The cubic root of 127982495 is about 503.9454450377.

The spelling of 127982495 in words is "one hundred twenty-seven million, nine hundred eighty-two thousand, four hundred ninety-five".