128452365 has 32 divisors (see below), whose sum is σ = 230947200. Its totient is φ = 67731840.

The previous prime is 128452351. The next prime is 128452367. The reversal of 128452365 is 563254821.

128452365 is a `hidden beast` number, since 128 + 4 + 523 + 6 + 5 = 666.

It is not a de Polignac number, because 128452365 - 2⁴ = 128452349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128452367) 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, 6670 + ... + 17360.

It is an arithmetic number, because the mean of its divisors is an integer number (7217100).

Almost surely, 2^128452365 is an apocalyptic number.

128452365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

128452365 is a deficient number, since it is larger than the sum of its proper divisors (102494835).

128452365 is a wasteful number, since it uses less digits than its factorization.

128452365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10794 (or 10788 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 128452365 is about 11333.6827642210. The cubic root of 128452365 is about 504.5614137989.

The spelling of 128452365 in words is "one hundred twenty-eight million, four hundred fifty-two thousand, three hundred sixty-five".