127213018 has 16 divisors (see below), whose sum is σ = 202151520. Its totient is φ = 59872176.

The previous prime is 127213007. The next prime is 127213033. The reversal of 127213018 is 810312721.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 127212983 and 127213001.

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, 4696 + ... + 16627.

It is an arithmetic number, because the mean of its divisors is an integer number (12634470).

Almost surely, 2^127213018 is an apocalyptic number.

127213018 is a deficient number, since it is larger than the sum of its proper divisors (74938502).

127213018 is a wasteful number, since it uses less digits than its factorization.

127213018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21501.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 127213018 is about 11278.8748552327. The cubic root of 127213018 is about 502.9334467897.

Adding to 127213018 its reverse (810312721), we get a palindrome (937525739).

The spelling of 127213018 in words is "one hundred twenty-seven million, two hundred thirteen thousand, eighteen".