128924436027 has 8 divisors (see below), whose sum is σ = 180946576960. Its totient is φ = 81425959560.

The previous prime is 128924436023. The next prime is 128924436059. The reversal of 128924436027 is 720634429821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 128924436027 - 2² = 128924436023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128924436023) 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, 1130916049 + ... + 1130916162.

It is an arithmetic number, because the mean of its divisors is an integer number (22618322120).

Almost surely, 2^128924436027 is an apocalyptic number.

128924436027 is a deficient number, since it is larger than the sum of its proper divisors (52022140933).

128924436027 is a wasteful number, since it uses less digits than its factorization.

128924436027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2261832233.

The product of its (nonzero) digits is 1161216, while the sum is 48.

The spelling of 128924436027 in words is "one hundred twenty-eight billion, nine hundred twenty-four million, four hundred thirty-six thousand, twenty-seven".