127528130 has 8 divisors (see below), whose sum is σ = 229550652. Its totient is φ = 51011248.

The previous prime is 127528129. The next prime is 127528139. The reversal of 127528130 is 31825721.

It can be written as a sum of positive squares in 2 ways, for example, as 104305369 + 23222761 = 10213^2 + 4819^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 127528093 and 127528102.

It is not an unprimeable number, because it can be changed into a prime (127528139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6376397 + ... + 6376416.

Almost surely, 2^127528130 is an apocalyptic number.

127528130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

127528130 is a deficient number, since it is larger than the sum of its proper divisors (102022522).

127528130 is a wasteful number, since it uses less digits than its factorization.

127528130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12752820.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 127528130 is about 11292.8353392760. The cubic root of 127528130 is about 503.3483668253.

The spelling of 127528130 in words is "one hundred twenty-seven million, five hundred twenty-eight thousand, one hundred thirty".