127422505 has 8 divisors (see below), whose sum is σ = 174750912. Its totient is φ = 87375408.

The previous prime is 127422469. The next prime is 127422511. The reversal of 127422505 is 505224721.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-127422505 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1820287 + ... + 1820356.

It is an arithmetic number, because the mean of its divisors is an integer number (21843864).

Almost surely, 2^127422505 is an apocalyptic number.

It is an amenable number.

127422505 is a deficient number, since it is larger than the sum of its proper divisors (47328407).

127422505 is an equidigital number, since it uses as much as digits as its factorization.

127422505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3640655.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 127422505 is about 11288.1577327746. The cubic root of 127422505 is about 503.2093625751.

The spelling of 127422505 in words is "one hundred twenty-seven million, four hundred twenty-two thousand, five hundred five".