127042168993 has 8 divisors (see below), whose sum is σ = 133783297920. Its totient is φ = 120306510000.

The previous prime is 127042168987. The next prime is 127042169053. The reversal of 127042168993 is 399861240721.

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

It is a cyclic number.

It is not a de Polignac number, because 127042168993 - 2⁵ = 127042168961 is a prime.

It is a super-2 number, since 2×127042168993² (a number of 23 digits) contains 22 as substring.

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 127042168993.

It is not an unprimeable number, because it can be changed into a prime (127042168193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1319758 + ... + 1412743.

It is an arithmetic number, because the mean of its divisors is an integer number (16722912240).

Almost surely, 2^127042168993 is an apocalyptic number.

It is an amenable number.

127042168993 is a deficient number, since it is larger than the sum of its proper divisors (6741128927).

127042168993 is a wasteful number, since it uses less digits than its factorization.

127042168993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2734967.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The spelling of 127042168993 in words is "one hundred twenty-seven billion, forty-two million, one hundred sixty-eight thousand, nine hundred ninety-three".