127836049 has 4 divisors (see below), whose sum is σ = 139457520. Its totient is φ = 116214580.

The previous prime is 127836029. The next prime is 127836077. The reversal of 127836049 is 940638721.

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: 940638721 = 11 ⋅85512611.

It is a cyclic number.

It is not a de Polignac number, because 127836049 - 2⁵ = 127836017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127836029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5810719 + ... + 5810740.

It is an arithmetic number, because the mean of its divisors is an integer number (34864380).

Almost surely, 2^127836049 is an apocalyptic number.

It is an amenable number.

127836049 is a deficient number, since it is larger than the sum of its proper divisors (11621471).

127836049 is a wasteful number, since it uses less digits than its factorization.

127836049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11621470.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 127836049 is about 11306.4604983169. The cubic root of 127836049 is about 503.7531558193.

The spelling of 127836049 in words is "one hundred twenty-seven million, eight hundred thirty-six thousand, forty-nine".