128641010 has 16 divisors (see below), whose sum is σ = 239023872. Its totient is φ = 49796400.

The previous prime is 128640997. The next prime is 128641027. The reversal of 128641010 is 10146821.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207176 + ... + 207795.

It is an arithmetic number, because the mean of its divisors is an integer number (14938992).

Almost surely, 2^128641010 is an apocalyptic number.

128641010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128641010 is a deficient number, since it is larger than the sum of its proper divisors (110382862).

128641010 is a wasteful number, since it uses less digits than its factorization.

128641010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415009.

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 128641010 is about 11342.0020278609. The cubic root of 128641010 is about 504.8082924263.

Adding to 128641010 its reverse (10146821), we get a palindrome (138787831).

The spelling of 128641010 in words is "one hundred twenty-eight million, six hundred forty-one thousand, ten".