1228854 has 32 divisors (see below), whose sum is σ = 2749824. Its totient is φ = 362880.

The previous prime is 1228849. The next prime is 1228861. The reversal of 1228854 is 4588221.

1228854 = T₂₁₄ + T₂₁₅ + ... + T₂₅₇.

It is a Curzon number.

It is a congruent number.

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, 2622 + ... + 3054.

It is an arithmetic number, because the mean of its divisors is an integer number (85932).

2^1228854 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1228854, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1374912).

1228854 is an abundant number, since it is smaller than the sum of its proper divisors (1520970).

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

1228854 is a wasteful number, since it uses less digits than its factorization.

1228854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492.

The product of its digits is 5120, while the sum is 30.

The square root of 1228854 is about 1108.5368735410. The cubic root of 1228854 is about 107.1108409736.

The spelling of 1228854 in words is "one million, two hundred twenty-eight thousand, eight hundred fifty-four".