128467653 has 4 divisors (see below), whose sum is σ = 171290208. Its totient is φ = 85645100.

The previous prime is 128467631. The next prime is 128467681. The reversal of 128467653 is 356764821.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 128467653 - 2⁵ = 128467621 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128467693) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21411273 + ... + 21411278.

It is an arithmetic number, because the mean of its divisors is an integer number (42822552).

Almost surely, 2^128467653 is an apocalyptic number.

It is an amenable number.

128467653 is a deficient number, since it is larger than the sum of its proper divisors (42822555).

128467653 is an equidigital number, since it uses as much as digits as its factorization.

128467653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42822554.

The product of its digits is 241920, while the sum is 42.

The square root of 128467653 is about 11334.3571939480. The cubic root of 128467653 is about 504.5814301136.

The spelling of 128467653 in words is "one hundred twenty-eight million, four hundred sixty-seven thousand, six hundred fifty-three".