127100794231 has 4 divisors (see below), whose sum is σ = 127275624112. Its totient is φ = 126925964352.

The previous prime is 127100794213. The next prime is 127100794241. The reversal of 127100794231 is 132497001721.

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

It is a cyclic number.

It is not a de Polignac number, because 127100794231 - 2³³ = 118510859639 is a prime.

It is a super-2 number, since 2×127100794231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127100794241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87413850 + ... + 87415303.

It is an arithmetic number, because the mean of its divisors is an integer number (31818906028).

Almost surely, 2^127100794231 is an apocalyptic number.

127100794231 is a deficient number, since it is larger than the sum of its proper divisors (174829881).

127100794231 is an equidigital number, since it uses as much as digits as its factorization.

127100794231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174829880.

The product of its (nonzero) digits is 21168, while the sum is 37.

Adding to 127100794231 its reverse (132497001721), we get a palindrome (259597795952).

The spelling of 127100794231 in words is "one hundred twenty-seven billion, one hundred million, seven hundred ninety-four thousand, two hundred thirty-one".