128748455074 has 16 divisors (see below), whose sum is σ = 197807971680. Its totient is φ = 62815404960.

The previous prime is 128748454981. The next prime is 128748455107. The reversal of 128748455074 is 470554847821.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 646947 + ... + 822214.

It is an arithmetic number, because the mean of its divisors is an integer number (12362998230).

Almost surely, 2^128748455074 is an apocalyptic number.

128748455074 is a deficient number, since it is larger than the sum of its proper divisors (69059516606).

128748455074 is a wasteful number, since it uses less digits than its factorization.

128748455074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470225.

The product of its (nonzero) digits is 10035200, while the sum is 55.

The spelling of 128748455074 in words is "one hundred twenty-eight billion, seven hundred forty-eight million, four hundred fifty-five thousand, seventy-four".