1229556 has 24 divisors (see below), whose sum is σ = 2907520. Its totient is φ = 404352.

The previous prime is 1229531. The next prime is 1229561. The reversal of 1229556 is 6559221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300 + ... + 1596.

2^1229556 is an apocalyptic number.

It is an amenable number.

1229556 is an abundant number, since it is smaller than the sum of its proper divisors (1677964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1229556 is a wasteful number, since it uses less digits than its factorization.

1229556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383 (or 1381 counting only the distinct ones).

The product of its digits is 5400, while the sum is 30.

The square root of 1229556 is about 1108.8534619146. The cubic root of 1229556 is about 107.1312332787.

The spelling of 1229556 in words is "one million, two hundred twenty-nine thousand, five hundred fifty-six".