1288114 has 4 divisors (see below), whose sum is σ = 1932174. Its totient is φ = 644056.

The previous prime is 1288109. The next prime is 1288117. The reversal of 1288114 is 4118821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4118821 = 7 ⋅588403.

It can be written as a sum of positive squares in only one way, i.e., 1177225 + 110889 = 1085^2 + 333^2 .

It is not an unprimeable number, because it can be changed into a prime (1288117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 322027 + ... + 322030.

2^1288114 is an apocalyptic number.

1288114 is a deficient number, since it is larger than the sum of its proper divisors (644060).

1288114 is an equidigital number, since it uses as much as digits as its factorization.

1288114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644059.

The product of its digits is 512, while the sum is 25.

The square root of 1288114 is about 1134.9511002682. The cubic root of 1288114 is about 108.8056464234.

The spelling of 1288114 in words is "one million, two hundred eighty-eight thousand, one hundred fourteen".