1228835 has 8 divisors (see below), whose sum is σ = 1483920. Its totient is φ = 976864.

The previous prime is 1228789. The next prime is 1228837. The reversal of 1228835 is 5388221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1228835 - 2¹² = 1224739 is a prime.

It is a d-powerful number, because it can be written as 1 + 2¹⁷ + 2²⁰ + 8² + 8⁵ + 3⁶ + 5⁶ .

It is a junction number, because it is equal to n+sod(n) for n = 1228798 and 1228807.

It is not an unprimeable number, because it can be changed into a prime (1228837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209 + ... + 1581.

It is an arithmetic number, because the mean of its divisors is an integer number (185490).

2^1228835 is an apocalyptic number.

1228835 is a deficient number, since it is larger than the sum of its proper divisors (255085).

1228835 is a wasteful number, since it uses less digits than its factorization.

1228835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557.

The product of its digits is 3840, while the sum is 29.

The square root of 1228835 is about 1108.5283036531. The cubic root of 1228835 is about 107.1102889372.

The spelling of 1228835 in words is "one million, two hundred twenty-eight thousand, eight hundred thirty-five".