128587224707 has 2 divisors, whose sum is σ = 128587224708. Its totient is φ = 128587224706.

The previous prime is 128587224691. The next prime is 128587224719. The reversal of 128587224707 is 707422785821.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 128587224707 - 2⁴ = 128587224691 is a prime.

It is a super-2 number, since 2×128587224707² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (128587224107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64293612353 + 64293612354.

It is an arithmetic number, because the mean of its divisors is an integer number (64293612354).

Almost surely, 2^128587224707 is an apocalyptic number.

128587224707 is a deficient number, since it is larger than the sum of its proper divisors (1).

128587224707 is an equidigital number, since it uses as much as digits as its factorization.

128587224707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3512320, while the sum is 53.

The spelling of 128587224707 in words is "one hundred twenty-eight billion, five hundred eighty-seven million, two hundred twenty-four thousand, seven hundred seven".