1228102 has 4 divisors (see below), whose sum is σ = 1842156. Its totient is φ = 614050.

The previous prime is 1228099. The next prime is 1228109. The reversal of 1228102 is 2018221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2018221 = 257 ⋅7853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1228109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 307024 + ... + 307027.

It is an arithmetic number, because the mean of its divisors is an integer number (460539).

2^1228102 is an apocalyptic number.

1228102 is a deficient number, since it is larger than the sum of its proper divisors (614054).

1228102 is an equidigital number, since it uses as much as digits as its factorization.

1228102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614053.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1228102 is about 1108.1976358033. The cubic root of 1228102 is about 107.0889876077.

The spelling of 1228102 in words is "one million, two hundred twenty-eight thousand, one hundred two".