1228412 has 6 divisors (see below), whose sum is σ = 2149728. Its totient is φ = 614204.

The previous prime is 1228399. The next prime is 1228429. The reversal of 1228412 is 2148221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153548 + ... + 153555.

It is an arithmetic number, because the mean of its divisors is an integer number (358288).

2^1228412 is an apocalyptic number.

It is an amenable number.

1228412 is a deficient number, since it is larger than the sum of its proper divisors (921316).

1228412 is a wasteful number, since it uses less digits than its factorization.

1228412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307107 (or 307105 counting only the distinct ones).

The product of its digits is 256, while the sum is 20.

The square root of 1228412 is about 1108.3374937265. The cubic root of 1228412 is about 107.0979973896.

The spelling of 1228412 in words is "one million, two hundred twenty-eight thousand, four hundred twelve".