128412514 has 8 divisors (see below), whose sum is σ = 193894848. Its totient is φ = 63780900.

The previous prime is 128412499. The next prime is 128412527. The reversal of 128412514 is 415214821.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212302 + ... + 212905.

It is an arithmetic number, because the mean of its divisors is an integer number (24236856).

Almost surely, 2^128412514 is an apocalyptic number.

128412514 is a deficient number, since it is larger than the sum of its proper divisors (65482334).

128412514 is a wasteful number, since it uses less digits than its factorization.

128412514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425360.

The product of its digits is 2560, while the sum is 28.

The square root of 128412514 is about 11331.9245496959. The cubic root of 128412514 is about 504.5092301052.

The spelling of 128412514 in words is "one hundred twenty-eight million, four hundred twelve thousand, five hundred fourteen".