127740379 has 16 divisors (see below), whose sum is σ = 141501024. Its totient is φ = 114566400.

The previous prime is 127740377. The next prime is 127740383. The reversal of 127740379 is 973047721.

It is not a de Polignac number, because 127740379 - 2¹ = 127740377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (127740377) 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 15 ways as a sum of consecutive naturals, for example, 235849 + ... + 236389.

It is an arithmetic number, because the mean of its divisors is an integer number (8843814).

Almost surely, 2^127740379 is an apocalyptic number.

127740379 is a deficient number, since it is larger than the sum of its proper divisors (13760645).

127740379 is a wasteful number, since it uses less digits than its factorization.

127740379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038.

The product of its (nonzero) digits is 74088, while the sum is 40.

The square root of 127740379 is about 11302.2289394615. The cubic root of 127740379 is about 503.6274581195.

The spelling of 127740379 in words is "one hundred twenty-seven million, seven hundred forty thousand, three hundred seventy-nine".