1229088 has 96 divisors (see below), whose sum is σ = 3870720. Its totient is φ = 334080.

The previous prime is 1229077. The next prime is 1229093. The reversal of 1229088 is 8809221.

It is a tau number, because it is divible by the number of its divisors (96).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20803 + ... + 20861.

It is an arithmetic number, because the mean of its divisors is an integer number (40320).

2^1229088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1229088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1935360).

1229088 is an abundant number, since it is smaller than the sum of its proper divisors (2641632).

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

1229088 is a wasteful number, since it uses less digits than its factorization.

1229088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110 (or 102 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 1229088 is about 1108.6424130440. The cubic root of 1229088 is about 107.1176392714.

The spelling of 1229088 in words is "one million, two hundred twenty-nine thousand, eighty-eight".