127243410206394 has 32 divisors (see below), whose sum is σ = 259384957655040. Its totient is φ = 41598709535552.

The previous prime is 127243410206327. The next prime is 127243410206399. The reversal of 127243410206394 is 493602014342721.

It is a super-3 number, since 3×127243410206394³ (a number of 43 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (127243410206399) 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, 73603389 + ... + 75312320.

It is an arithmetic number, because the mean of its divisors is an integer number (8105779926720).

Almost surely, 2^{127243410206394} is an apocalyptic number.

127243410206394 is an abundant number, since it is smaller than the sum of its proper divisors (132141547448646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

127243410206394 is a wasteful number, since it uses less digits than its factorization.

127243410206394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148918454.

The product of its (nonzero) digits is 1741824, while the sum is 48.

The spelling of 127243410206394 in words is "one hundred twenty-seven trillion, two hundred forty-three billion, four hundred ten million, two hundred six thousand, three hundred ninety-four".