128141567 has 4 divisors (see below), whose sum is σ = 134885880. Its totient is φ = 121397256.

The previous prime is 128141549. The next prime is 128141593. The reversal of 128141567 is 765141821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 765141821 = 1223 ⋅625627.

It is a cyclic number.

It is not a de Polignac number, because 128141567 - 2¹⁴ = 128125183 is a prime.

It is a super-2 number, since 2×128141567² = 32840522386430978, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128141527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3372128 + ... + 3372165.

It is an arithmetic number, because the mean of its divisors is an integer number (33721470).

Almost surely, 2^128141567 is an apocalyptic number.

128141567 is a deficient number, since it is larger than the sum of its proper divisors (6744313).

128141567 is an equidigital number, since it uses as much as digits as its factorization.

128141567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6744312.

The product of its digits is 13440, while the sum is 35.

The square root of 128141567 is about 11319.9632066540. The cubic root of 128141567 is about 504.1541465491.

The spelling of 128141567 in words is "one hundred twenty-eight million, one hundred forty-one thousand, five hundred sixty-seven".