127347449 has 4 divisors (see below), whose sum is σ = 128583936. Its totient is φ = 126110964.

The previous prime is 127347431. The next prime is 127347457. The reversal of 127347449 is 944743721.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-127347449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127343449) 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, 618089 + ... + 618294.

It is an arithmetic number, because the mean of its divisors is an integer number (32145984).

Almost surely, 2^127347449 is an apocalyptic number.

It is an amenable number.

127347449 is a deficient number, since it is larger than the sum of its proper divisors (1236487).

127347449 is a wasteful number, since it uses less digits than its factorization.

127347449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1236486.

The product of its digits is 169344, while the sum is 41.

The square root of 127347449 is about 11284.8326970319. The cubic root of 127347449 is about 503.1105409422.

The spelling of 127347449 in words is "one hundred twenty-seven million, three hundred forty-seven thousand, four hundred forty-nine".