127213927 has 4 divisors (see below), whose sum is σ = 127323736. Its totient is φ = 127104120.

The previous prime is 127213903. The next prime is 127213963. The reversal of 127213927 is 729312721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 729312721 = 761 ⋅958361.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-127213927 is a prime.

It is a super-3 number, since 3×127213927³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 127213892 and 127213901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127213627) 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, 53148 + ... + 55489.

It is an arithmetic number, because the mean of its divisors is an integer number (31830934).

Almost surely, 2^127213927 is an apocalyptic number.

127213927 is a deficient number, since it is larger than the sum of its proper divisors (109809).

127213927 is a wasteful number, since it uses less digits than its factorization.

127213927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109808.

The product of its digits is 10584, while the sum is 34.

The square root of 127213927 is about 11278.9151517333. The cubic root of 127213927 is about 502.9346446897.

The spelling of 127213927 in words is "one hundred twenty-seven million, two hundred thirteen thousand, nine hundred twenty-seven".