127381516 has 6 divisors (see below), whose sum is σ = 222917660. Its totient is φ = 63690756.

The previous prime is 127381489. The next prime is 127381519. The reversal of 127381516 is 615183721.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (127381519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15922686 + ... + 15922693.

Almost surely, 2^127381516 is an apocalyptic number.

It is an amenable number.

127381516 is a deficient number, since it is larger than the sum of its proper divisors (95536144).

127381516 is a wasteful number, since it uses less digits than its factorization.

127381516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31845383 (or 31845381 counting only the distinct ones).

The product of its digits is 10080, while the sum is 34.

The square root of 127381516 is about 11286.3420114756. The cubic root of 127381516 is about 503.1553996832.

The spelling of 127381516 in words is "one hundred twenty-seven million, three hundred eighty-one thousand, five hundred sixteen".