127228340699 has 4 divisors (see below), whose sum is σ = 127229921160. Its totient is φ = 127226760240.

The previous prime is 127228340693. The next prime is 127228340717. The reversal of 127228340699 is 996043822721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 996043822721 = 503 ⋅1980206407.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-127228340699 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 127228340699.

It is not an unprimeable number, because it can be changed into a prime (127228340693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 662609 + ... + 832770.

It is an arithmetic number, because the mean of its divisors is an integer number (31807480290).

Almost surely, 2^127228340699 is an apocalyptic number.

127228340699 is a deficient number, since it is larger than the sum of its proper divisors (1580461).

127228340699 is an equidigital number, since it uses as much as digits as its factorization.

127228340699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580460.

The product of its (nonzero) digits is 2612736, while the sum is 53.

The spelling of 127228340699 in words is "one hundred twenty-seven billion, two hundred twenty-eight million, three hundred forty thousand, six hundred ninety-nine".