127422543 has 8 divisors (see below), whose sum is σ = 172432768. Its totient is φ = 83680344.

The previous prime is 127422539. The next prime is 127422571. The reversal of 127422543 is 345224721.

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

It is not a de Polignac number, because 127422543 - 2² = 127422539 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 127422543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127422643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316771 + ... + 317172.

It is an arithmetic number, because the mean of its divisors is an integer number (21554096).

Almost surely, 2^127422543 is an apocalyptic number.

127422543 is a deficient number, since it is larger than the sum of its proper divisors (45010225).

127422543 is an equidigital number, since it uses as much as digits as its factorization.

127422543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634013.

The product of its digits is 13440, while the sum is 30.

The square root of 127422543 is about 11288.1594159544. The cubic root of 127422543 is about 503.2094125975.

The spelling of 127422543 in words is "one hundred twenty-seven million, four hundred twenty-two thousand, five hundred forty-three".