127742812 has 12 divisors (see below), whose sum is σ = 224266336. Its totient is φ = 63666720.

The previous prime is 127742789. The next prime is 127742819. The reversal of 127742812 is 218247721.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127742819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49764 + ... + 52267.

Almost surely, 2^127742812 is an apocalyptic number.

It is an amenable number.

127742812 is a deficient number, since it is larger than the sum of its proper divisors (96523524).

127742812 is a wasteful number, since it uses less digits than its factorization.

127742812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102348 (or 102346 counting only the distinct ones).

The product of its digits is 12544, while the sum is 34.

The square root of 127742812 is about 11302.3365725853. The cubic root of 127742812 is about 503.6306555367.

The spelling of 127742812 in words is "one hundred twenty-seven million, seven hundred forty-two thousand, eight hundred twelve".