127720546 has 16 divisors (see below), whose sum is σ = 203211360. Its totient is φ = 60035040.

The previous prime is 127720531. The next prime is 127720561. The reversal of 127720546 is 645027721.

It is an interprime number because it is at equal distance from previous prime (127720531) and next prime (127720561).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7851 + ... + 17806.

It is an arithmetic number, because the mean of its divisors is an integer number (12700710).

Almost surely, 2^127720546 is an apocalyptic number.

127720546 is a deficient number, since it is larger than the sum of its proper divisors (75490814).

127720546 is a wasteful number, since it uses less digits than its factorization.

127720546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25809.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 127720546 is about 11301.3515120980. The cubic root of 127720546 is about 503.6013923330.

The spelling of 127720546 in words is "one hundred twenty-seven million, seven hundred twenty thousand, five hundred forty-six".