128300894 has 4 divisors (see below), whose sum is σ = 192451344. Its totient is φ = 64150446.

The previous prime is 128300881. The next prime is 128300897. The reversal of 128300894 is 498003821.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 498003821 = 7 ⋅71143403.

It is a super-2 number, since 2×128300894² = 32922238802398472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128300897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32075222 + ... + 32075225.

It is an arithmetic number, because the mean of its divisors is an integer number (48112836).

Almost surely, 2^128300894 is an apocalyptic number.

128300894 is a deficient number, since it is larger than the sum of its proper divisors (64150450).

128300894 is an equidigital number, since it uses as much as digits as its factorization.

128300894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64150449.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 128300894 is about 11326.9984550189. The cubic root of 128300894 is about 504.3630095571.

Adding to 128300894 its sum of digits (35), we get a square (128300929 = 11327²).

The spelling of 128300894 in words is "one hundred twenty-eight million, three hundred thousand, eight hundred ninety-four".