128970754 has 24 divisors (see below), whose sum is σ = 213257520. Its totient is φ = 58453560.

The previous prime is 128970713. The next prime is 128970763. The reversal of 128970754 is 457079821.

It is a self number, because there is not a number n which added to its sum of digits gives 128970754.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 126057 + ... + 127075.

It is an arithmetic number, because the mean of its divisors is an integer number (8885730).

Almost surely, 2^128970754 is an apocalyptic number.

128970754 is a deficient number, since it is larger than the sum of its proper divisors (84286766).

128970754 is a wasteful number, since it uses less digits than its factorization.

128970754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1566 (or 1555 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 43.

The square root of 128970754 is about 11356.5291352596. The cubic root of 128970754 is about 505.2392474838.

The spelling of 128970754 in words is "one hundred twenty-eight million, nine hundred seventy thousand, seven hundred fifty-four".