127244321103261 has 8 divisors (see below), whose sum is σ = 169679464521280. Its totient is φ = 84819362543712.

The previous prime is 127244321103257. The next prime is 127244321103343. The reversal of 127244321103261 is 162301123442721.

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

It is not a de Polignac number, because 127244321103261 - 2² = 127244321103257 is a prime.

It is a super-2 number, since 2×127244321103261² (a number of 29 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 (127244321503261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2546185465 + ... + 2546235438.

It is an arithmetic number, because the mean of its divisors is an integer number (21209933065160).

Almost surely, 2^{127244321103261} is an apocalyptic number.

It is an amenable number.

127244321103261 is a deficient number, since it is larger than the sum of its proper divisors (42435143418019).

127244321103261 is an equidigital number, since it uses as much as digits as its factorization.

127244321103261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5092429235.

The product of its (nonzero) digits is 96768, while the sum is 39.

Adding to 127244321103261 its reverse (162301123442721), we get a palindrome (289545444545982).

The spelling of 127244321103261 in words is "one hundred twenty-seven trillion, two hundred forty-four billion, three hundred twenty-one million, one hundred three thousand, two hundred sixty-one".