127875005 has 4 divisors (see below), whose sum is σ = 153450012. Its totient is φ = 102300000.

The previous prime is 127874983. The next prime is 127875053. The reversal of 127875005 is 500578721.

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

It can be written as a sum of positive squares in 2 ways, for example, as 73085401 + 54789604 = 8549^2 + 7402^2 .

It is not a de Polignac number, because 127875005 - 2¹² = 127870909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12787496 + ... + 12787505.

It is an arithmetic number, because the mean of its divisors is an integer number (38362503).

Almost surely, 2^127875005 is an apocalyptic number.

It is an amenable number.

127875005 is a deficient number, since it is larger than the sum of its proper divisors (25575007).

127875005 is an equidigital number, since it uses as much as digits as its factorization.

127875005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25575006.

The product of its (nonzero) digits is 19600, while the sum is 35.

The square root of 127875005 is about 11308.1830989775. The cubic root of 127875005 is about 503.8043208729.

The spelling of 127875005 in words is "one hundred twenty-seven million, eight hundred seventy-five thousand, five".