127555555142 has 4 divisors (see below), whose sum is σ = 191333332716. Its totient is φ = 63777777570.

The previous prime is 127555555129. The next prime is 127555555313. The reversal of 127555555142 is 241555555721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 241555555721 = 37 ⋅6528528533.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31888888784 + ... + 31888888787.

It is an arithmetic number, because the mean of its divisors is an integer number (47833333179).

Almost surely, 2^127555555142 is an apocalyptic number.

127555555142 is a deficient number, since it is larger than the sum of its proper divisors (63777777574).

127555555142 is an equidigital number, since it uses as much as digits as its factorization.

127555555142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63777777573.

The product of its digits is 1750000, while the sum is 47.

The spelling of 127555555142 in words is "one hundred twenty-seven billion, five hundred fifty-five million, five hundred fifty-five thousand, one hundred forty-two".