128061814 has 8 divisors (see below), whose sum is σ = 195241968. Its totient is φ = 62981160.

The previous prime is 128061763. The next prime is 128061827. The reversal of 128061814 is 418160821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 524722 + ... + 524965.

It is an arithmetic number, because the mean of its divisors is an integer number (24405246).

Almost surely, 2^128061814 is an apocalyptic number.

128061814 is a deficient number, since it is larger than the sum of its proper divisors (67180154).

128061814 is a wasteful number, since it uses less digits than its factorization.

128061814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049750.

The product of its (nonzero) digits is 3072, while the sum is 31.

The square root of 128061814 is about 11316.4399879114. The cubic root of 128061814 is about 504.0495326937.

The spelling of 128061814 in words is "one hundred twenty-eight million, sixty-one thousand, eight hundred fourteen".