127616530 has 32 divisors (see below), whose sum is σ = 240038640. Its totient is φ = 48787200.

The previous prime is 127616519. The next prime is 127616549. The reversal of 127616530 is 35616721.

It can be written as a sum of positive squares in 8 ways, for example, as 123810129 + 3806401 = 11127^2 + 1951^2 .

It is a junction number, because it is equal to n+sod(n) for n = 127616492 and 127616501.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27112 + ... + 31468.

Almost surely, 2^127616530 is an apocalyptic number.

127616530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

127616530 is a deficient number, since it is larger than the sum of its proper divisors (112422110).

127616530 is a wasteful number, since it uses less digits than its factorization.

127616530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4494.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 127616530 is about 11296.7486472879. The cubic root of 127616530 is about 503.4646437030.

It can be divided in two parts, 12761 and 6530, that added together give a palindrome (19291).

The spelling of 127616530 in words is "one hundred twenty-seven million, six hundred sixteen thousand, five hundred thirty".