128500627 has 2 divisors, whose sum is σ = 128500628. Its totient is φ = 128500626.

The previous prime is 128500621. The next prime is 128500633. The reversal of 128500627 is 726005821.

It is a balanced prime because it is at equal distance from previous prime (128500621) and next prime (128500633).

It is a cyclic number.

It is not a de Polignac number, because 128500627 - 2⁷ = 128500499 is a prime.

It is a super-2 number, since 2×128500627² = 33024822278786258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (128500621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64250313 + 64250314.

It is an arithmetic number, because the mean of its divisors is an integer number (64250314).

Almost surely, 2^128500627 is an apocalyptic number.

128500627 is a deficient number, since it is larger than the sum of its proper divisors (1).

128500627 is an equidigital number, since it uses as much as digits as its factorization.

128500627 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 128500627 is about 11335.8117045053. The cubic root of 128500627 is about 504.6245969975.

The spelling of 128500627 in words is "one hundred twenty-eight million, five hundred thousand, six hundred twenty-seven".