128882507 has 16 divisors (see below), whose sum is σ = 145606272. Its totient is φ = 113270400.

The previous prime is 128882461. The next prime is 128882513. The reversal of 128882507 is 705288821.

It is a cyclic number.

It is not a de Polignac number, because 128882507 - 2¹⁰ = 128881483 is a prime.

It is a super-2 number, since 2×128882507² = 33221401221210098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128882107) 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, 19757 + ... + 25457.

It is an arithmetic number, because the mean of its divisors is an integer number (9100392).

Almost surely, 2^128882507 is an apocalyptic number.

128882507 is a deficient number, since it is larger than the sum of its proper divisors (16723765).

128882507 is a wasteful number, since it uses less digits than its factorization.

128882507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5798.

The product of its (nonzero) digits is 71680, while the sum is 41.

The square root of 128882507 is about 11352.6431724070. The cubic root of 128882507 is about 505.1239861565.

The spelling of 128882507 in words is "one hundred twenty-eight million, eight hundred eighty-two thousand, five hundred seven".