127313849 has 4 divisors (see below), whose sum is σ = 137107236. Its totient is φ = 117520464.

The previous prime is 127313839. The next prime is 127313861. The reversal of 127313849 is 948313721.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 63313849 + 64000000 = 7957^2 + 8000^2 .

It is a cyclic number.

It is not a de Polignac number, because 127313849 - 2¹⁶ = 127248313 is a prime.

It is a super-2 number, since 2×127313849² = 32417632294389602, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (127313839) 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, 4896674 + ... + 4896699.

It is an arithmetic number, because the mean of its divisors is an integer number (34276809).

Almost surely, 2^127313849 is an apocalyptic number.

It is an amenable number.

127313849 is a deficient number, since it is larger than the sum of its proper divisors (9793387).

127313849 is an equidigital number, since it uses as much as digits as its factorization.

127313849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9793386.

The product of its digits is 36288, while the sum is 38.

The square root of 127313849 is about 11283.3438749335. The cubic root of 127313849 is about 503.0662893003.

The spelling of 127313849 in words is "one hundred twenty-seven million, three hundred thirteen thousand, eight hundred forty-nine".