128874801 has 12 divisors (see below), whose sum is σ = 188874896. Its totient is φ = 78105720.

The previous prime is 128874797. The next prime is 128874817. The reversal of 128874801 is 108478821.

It is a happy number.

It is not a de Polignac number, because 128874801 - 2² = 128874797 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 128874801.

It is not an unprimeable number, because it can be changed into a prime (128874871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 177151 + ... + 177876.

Almost surely, 2^128874801 is an apocalyptic number.

128874801 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

128874801 is a deficient number, since it is larger than the sum of its proper divisors (60000095).

128874801 is a wasteful number, since it uses less digits than its factorization.

128874801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355052 (or 355041 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 39.

The square root of 128874801 is about 11352.3037750053. The cubic root of 128874801 is about 505.1139186847.

The spelling of 128874801 in words is "one hundred twenty-eight million, eight hundred seventy-four thousand, eight hundred one".