128498714 has 8 divisors (see below), whose sum is σ = 195188160. Its totient is φ = 63435996.

The previous prime is 128498687. The next prime is 128498717. The reversal of 128498714 is 417894821.

128498714 = T₁₇₆₄ + T₁₇₆₅ + ... + T₁₈₄₂.

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

It is not an unprimeable number, because it can be changed into a prime (128498717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406484 + ... + 406799.

It is an arithmetic number, because the mean of its divisors is an integer number (24398520).

Almost surely, 2^128498714 is an apocalyptic number.

128498714 is a deficient number, since it is larger than the sum of its proper divisors (66689446).

128498714 is an equidigital number, since it uses as much as digits as its factorization.

128498714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813364.

The product of its digits is 129024, while the sum is 44.

The square root of 128498714 is about 11335.7273255844. The cubic root of 128498714 is about 504.6220928550.

The spelling of 128498714 in words is "one hundred twenty-eight million, four hundred ninety-eight thousand, seven hundred fourteen".