127204847376742 has 4 divisors (see below), whose sum is σ = 190807271065116. Its totient is φ = 63602423688370.

The previous prime is 127204847376707. The next prime is 127204847376751. The reversal of 127204847376742 is 247673748402721.

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

It is a super-2 number, since 2×127204847376742² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31801211844184 + ... + 31801211844187.

It is an arithmetic number, because the mean of its divisors is an integer number (47701817766279).

Almost surely, 2^{127204847376742} is an apocalyptic number.

127204847376742 is a deficient number, since it is larger than the sum of its proper divisors (63602423688374).

127204847376742 is an equidigital number, since it uses as much as digits as its factorization.

127204847376742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63602423688373.

The product of its (nonzero) digits is 177020928, while the sum is 64.

The spelling of 127204847376742 in words is "one hundred twenty-seven trillion, two hundred four billion, eight hundred forty-seven million, three hundred seventy-six thousand, seven hundred forty-two".