128861114 has 8 divisors (see below), whose sum is σ = 198006228. Its totient is φ = 62859040.

The previous prime is 128861093. The next prime is 128861143. The reversal of 128861114 is 411168821.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 114169225 + 14691889 = 10685^2 + 3833^2 .

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, 785657 + ... + 785820.

Almost surely, 2^128861114 is an apocalyptic number.

128861114 is a deficient number, since it is larger than the sum of its proper divisors (69145114).

128861114 is a wasteful number, since it uses less digits than its factorization.

128861114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571520.

The product of its digits is 3072, while the sum is 32.

The square root of 128861114 is about 11351.7009298166. The cubic root of 128861114 is about 505.0960363707.

The spelling of 128861114 in words is "one hundred twenty-eight million, eight hundred sixty-one thousand, one hundred fourteen".