1228479 has 24 divisors (see below), whose sum is σ = 1950768. Its totient is φ = 685440.

The previous prime is 1228459. The next prime is 1228489. The reversal of 1228479 is 9748221.

It is a happy number.

It is not a de Polignac number, because 1228479 - 2⁷ = 1228351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1228429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8899 + ... + 9035.

It is an arithmetic number, because the mean of its divisors is an integer number (81282).

2^1228479 is an apocalyptic number.

1228479 is a deficient number, since it is larger than the sum of its proper divisors (722289).

1228479 is a wasteful number, since it uses less digits than its factorization.

1228479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215 (or 208 counting only the distinct ones).

The product of its digits is 8064, while the sum is 33.

The square root of 1228479 is about 1108.3677187649. The cubic root of 1228479 is about 107.0999444658.

The spelling of 1228479 in words is "one million, two hundred twenty-eight thousand, four hundred seventy-nine".