128210764 has 24 divisors (see below), whose sum is σ = 247722048. Its totient is φ = 57573840.

The previous prime is 128210741. The next prime is 128210767. The reversal of 128210764 is 467012821.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (128210767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13902 + ... + 21205.

It is an arithmetic number, because the mean of its divisors is an integer number (10321752).

Almost surely, 2^128210764 is an apocalyptic number.

It is an amenable number.

128210764 is a deficient number, since it is larger than the sum of its proper divisors (119511284).

128210764 is a wasteful number, since it uses less digits than its factorization.

128210764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35205 (or 35203 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 128210764 is about 11323.0192086740. The cubic root of 128210764 is about 504.2448786919.

The spelling of 128210764 in words is "one hundred twenty-eight million, two hundred ten thousand, seven hundred sixty-four".