127666042 has 16 divisors (see below), whose sum is σ = 220125312. Its totient is φ = 54396720.

The previous prime is 127666037. The next prime is 127666051. The reversal of 127666042 is 240666721.

It is a junction number, because it is equal to n+sod(n) for n = 127665989 and 127666007.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23934 + ... + 28777.

It is an arithmetic number, because the mean of its divisors is an integer number (13757832).

Almost surely, 2^127666042 is an apocalyptic number.

127666042 is a deficient number, since it is larger than the sum of its proper divisors (92459270).

127666042 is a wasteful number, since it uses less digits than its factorization.

127666042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52893.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 127666042 is about 11298.9398617746. The cubic root of 127666042 is about 503.5297458189.

The spelling of 127666042 in words is "one hundred twenty-seven million, six hundred sixty-six thousand, forty-two".