127776061 has 8 divisors (see below), whose sum is σ = 148030784. Its totient is φ = 108021600.

The previous prime is 127776053. The next prime is 127776071. The reversal of 127776061 is 160677721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 127776061 - 2³ = 127776053 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 127776061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127776041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124515 + ... + 125536.

It is an arithmetic number, because the mean of its divisors is an integer number (18503848).

Almost surely, 2^127776061 is an apocalyptic number.

It is an amenable number.

127776061 is a deficient number, since it is larger than the sum of its proper divisors (20254723).

127776061 is an equidigital number, since it uses as much as digits as its factorization.

127776061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250131.

The product of its (nonzero) digits is 24696, while the sum is 37.

The square root of 127776061 is about 11303.8073674316. The cubic root of 127776061 is about 503.6743468745.

The spelling of 127776061 in words is "one hundred twenty-seven million, seven hundred seventy-six thousand, sixty-one".