128801334 has 32 divisors (see below), whose sum is σ = 271848960. Its totient is φ = 40601792.

The previous prime is 128801327. The next prime is 128801341. The reversal of 128801334 is 433108821.

It is an interprime number because it is at equal distance from previous prime (128801327) and next prime (128801341).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7039 + ... + 17525.

It is an arithmetic number, because the mean of its divisors is an integer number (8495280).

Almost surely, 2^128801334 is an apocalyptic number.

128801334 is an abundant number, since it is smaller than the sum of its proper divisors (143047626).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

128801334 is a wasteful number, since it uses less digits than its factorization.

128801334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10604.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 128801334 is about 11349.0675387893. The cubic root of 128801334 is about 505.0179178690.

The spelling of 128801334 in words is "one hundred twenty-eight million, eight hundred one thousand, three hundred thirty-four".