128412764 has 24 divisors (see below), whose sum is σ = 238321440. Its totient is φ = 60333056.

The previous prime is 128412751. The next prime is 128412821. The reversal of 128412764 is 467214821.

It is a congruent 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, 59252 + ... + 61380.

It is an arithmetic number, because the mean of its divisors is an integer number (9930060).

Almost surely, 2^128412764 is an apocalyptic number.

It is an amenable number.

128412764 is a deficient number, since it is larger than the sum of its proper divisors (109908676).

128412764 is a wasteful number, since it uses less digits than its factorization.

128412764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3037 (or 3035 counting only the distinct ones).

The product of its digits is 21504, while the sum is 35.

The square root of 128412764 is about 11331.9355804734. The cubic root of 128412764 is about 504.5095575064.

The spelling of 128412764 in words is "one hundred twenty-eight million, four hundred twelve thousand, seven hundred sixty-four".