1228132 has 6 divisors (see below), whose sum is σ = 2149238. Its totient is φ = 614064.

The previous prime is 1228109. The next prime is 1228133. The reversal of 1228132 is 2318221.

It can be written as a sum of positive squares in only one way, i.e., 746496 + 481636 = 864^2 + 694^2 .

It is not an unprimeable number, because it can be changed into a prime (1228133) 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, 153513 + ... + 153520.

2^1228132 is an apocalyptic number.

It is an amenable number.

1228132 is a deficient number, since it is larger than the sum of its proper divisors (921106).

1228132 is a wasteful number, since it uses less digits than its factorization.

1228132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307037 (or 307035 counting only the distinct ones).

The product of its digits is 192, while the sum is 19.

The square root of 1228132 is about 1108.2111712124. The cubic root of 1228132 is about 107.0898595884.

The spelling of 1228132 in words is "one million, two hundred twenty-eight thousand, one hundred thirty-two".