127199040742 has 8 divisors (see below), whose sum is σ = 190805483232. Its totient is φ = 63597213000.

The previous prime is 127199040739. The next prime is 127199040799. The reversal of 127199040742 is 247040991721.

It is a happy number.

127199040742 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 127199040692 and 127199040701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1083934 + ... + 1195537.

It is an arithmetic number, because the mean of its divisors is an integer number (23850685404).

Almost surely, 2^127199040742 is an apocalyptic number.

127199040742 is a deficient number, since it is larger than the sum of its proper divisors (63606442490).

127199040742 is a wasteful number, since it uses less digits than its factorization.

127199040742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2307374.

The product of its (nonzero) digits is 254016, while the sum is 46.

The spelling of 127199040742 in words is "one hundred twenty-seven billion, one hundred ninety-nine million, forty thousand, seven hundred forty-two".