127280747 has 12 divisors (see below), whose sum is σ = 142886688. Its totient is φ = 113242800.

The previous prime is 127280737. The next prime is 127280767. The reversal of 127280747 is 747082721.

It is a happy number.

It is not a de Polignac number, because 127280747 - 2²⁶ = 60171883 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 127280747.

It is not an unprimeable number, because it can be changed into a prime (127280737) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5504 + ... + 16877.

It is an arithmetic number, because the mean of its divisors is an integer number (11907224).

Almost surely, 2^127280747 is an apocalyptic number.

127280747 is a deficient number, since it is larger than the sum of its proper divisors (15605941).

127280747 is a wasteful number, since it uses less digits than its factorization.

127280747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22450 (or 22439 counting only the distinct ones).

The product of its (nonzero) digits is 43904, while the sum is 38.

The square root of 127280747 is about 11281.8769271784. The cubic root of 127280747 is about 503.0226859168.

The spelling of 127280747 in words is "one hundred twenty-seven million, two hundred eighty thousand, seven hundred forty-seven".