128826512 has 10 divisors (see below), whose sum is σ = 249601398. Its totient is φ = 64413248.

The previous prime is 128826499. The next prime is 128826547. The reversal of 128826512 is 215628821.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 126877696 + 1948816 = 11264^2 + 1396^2 .

It is a super-2 number, since 2×128826512² = 33192540388172288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4025813 + ... + 4025844.

Almost surely, 2^128826512 is an apocalyptic number.

It is an amenable number.

128826512 is a deficient number, since it is larger than the sum of its proper divisors (120774886).

128826512 is an equidigital number, since it uses as much as digits as its factorization.

128826512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8051665 (or 8051659 counting only the distinct ones).

The product of its digits is 15360, while the sum is 35.

The square root of 128826512 is about 11350.1767387120. The cubic root of 128826512 is about 505.0508225817.

The spelling of 128826512 in words is "one hundred twenty-eight million, eight hundred twenty-six thousand, five hundred twelve".