127720201624741 has 16 divisors (see below), whose sum is σ = 142579601638848. Its totient is φ = 113402524838400.

The previous prime is 127720201624693. The next prime is 127720201624781. The reversal of 127720201624741 is 147426102027721.

It is a cyclic number.

It is not a de Polignac number, because 127720201624741 - 2¹⁷ = 127720201493669 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 127720201624691 and 127720201624700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127720201624781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 449811 + ... + 15988831.

It is an arithmetic number, because the mean of its divisors is an integer number (8911225102428).

Almost surely, 2^{127720201624741} is an apocalyptic number.

127720201624741 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

127720201624741 is a deficient number, since it is larger than the sum of its proper divisors (14859400014107).

127720201624741 is a wasteful number, since it uses less digits than its factorization.

127720201624741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15556452.

The product of its (nonzero) digits is 526848, while the sum is 46.

The spelling of 127720201624741 in words is "one hundred twenty-seven trillion, seven hundred twenty billion, two hundred one million, six hundred twenty-four thousand, seven hundred forty-one".