128463090 has 32 divisors (see below), whose sum is σ = 352356480. Its totient is φ = 29362944.

The previous prime is 128463037. The next prime is 128463091. The reversal of 128463090 is 90364821.

It is not an unprimeable number, because it can be changed into a prime (128463091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 305655 + ... + 306074.

It is an arithmetic number, because the mean of its divisors is an integer number (11011140).

Almost surely, 2^128463090 is an apocalyptic number.

128463090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128463090 is an abundant number, since it is smaller than the sum of its proper divisors (223893390).

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

128463090 is a wasteful number, since it uses less digits than its factorization.

128463090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611746.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 128463090 is about 11334.1559015217. The cubic root of 128463090 is about 504.5754560227.

The spelling of 128463090 in words is "one hundred twenty-eight million, four hundred sixty-three thousand, ninety".