128465610 has 64 divisors (see below), whose sum is σ = 379475712. Its totient is φ = 27104256.

The previous prime is 128465609. The next prime is 128465611. The reversal of 128465610 is 16564821.

It is an interprime number because it is at equal distance from previous prime (128465609) and next prime (128465611).

It is not an unprimeable number, because it can be changed into a prime (128465611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20799 + ... + 26258.

It is an arithmetic number, because the mean of its divisors is an integer number (5929308).

Almost surely, 2^128465610 is an apocalyptic number.

128465610 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128465610 is an abundant number, since it is smaller than the sum of its proper divisors (251010102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

128465610 is a wasteful number, since it uses less digits than its factorization.

128465610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47087.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 128465610 is about 11334.2670693786. The cubic root of 128465610 is about 504.5787553409.

The spelling of 128465610 in words is "one hundred twenty-eight million, four hundred sixty-five thousand, six hundred ten".