127213741 has 4 divisors (see below), whose sum is σ = 128215552. Its totient is φ = 126211932.

The previous prime is 127213729. The next prime is 127213747. The reversal of 127213741 is 147312721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 147312721 = 29 ⋅5079749.

It is a cyclic number.

It is not a de Polignac number, because 127213741 - 2⁷ = 127213613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127213747) 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 in 3 ways as a sum of consecutive naturals, for example, 500715 + ... + 500968.

It is an arithmetic number, because the mean of its divisors is an integer number (32053888).

Almost surely, 2^127213741 is an apocalyptic number.

It is an amenable number.

127213741 is a deficient number, since it is larger than the sum of its proper divisors (1001811).

127213741 is a wasteful number, since it uses less digits than its factorization.

127213741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001810.

The product of its digits is 2352, while the sum is 28.

The square root of 127213741 is about 11278.9069062565. The cubic root of 127213741 is about 502.9343995753.

The spelling of 127213741 in words is "one hundred twenty-seven million, two hundred thirteen thousand, seven hundred forty-one".