1228934 has 16 divisors (see below), whose sum is σ = 2159136. Its totient is φ = 513600.

The previous prime is 1228919. The next prime is 1228937. The reversal of 1228934 is 4398221.

1228934 = 77² + 78² + ... + 160².

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1228897 and 1228906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1228937) 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, 497 + ... + 1644.

It is an arithmetic number, because the mean of its divisors is an integer number (134946).

2^1228934 is an apocalyptic number.

1228934 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1228934 is a deficient number, since it is larger than the sum of its proper divisors (930202).

1228934 is a wasteful number, since it uses less digits than its factorization.

1228934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2191.

The product of its digits is 3456, while the sum is 29.

The square root of 1228934 is about 1108.5729565527. The cubic root of 1228934 is about 107.1131652751.

The spelling of 1228934 in words is "one million, two hundred twenty-eight thousand, nine hundred thirty-four".