128268035 has 12 divisors (see below), whose sum is σ = 179052048. Its totient is φ = 87955056.

The previous prime is 128268017. The next prime is 128268053. The reversal of 128268035 is 530862821.

It is an interprime number because it is at equal distance from previous prime (128268017) and next prime (128268053).

It is not a de Polignac number, because 128268035 - 2²² = 124073731 is a prime.

It is a super-2 number, since 2×128268035² = 32905377605522450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a junction number, because it is equal to n+sod(n) for n = 128267986 and 128268004.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 261527 + ... + 262016.

It is an arithmetic number, because the mean of its divisors is an integer number (14921004).

Almost surely, 2^128268035 is an apocalyptic number.

128268035 is a deficient number, since it is larger than the sum of its proper divisors (50784013).

128268035 is an equidigital number, since it uses as much as digits as its factorization.

128268035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523562 (or 523555 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 128268035 is about 11325.5478896166. The cubic root of 128268035 is about 504.3199485967.

The spelling of 128268035 in words is "one hundred twenty-eight million, two hundred sixty-eight thousand, thirty-five".