1228492 has 12 divisors (see below), whose sum is σ = 2162160. Its totient is φ = 610736.

The previous prime is 1228489. The next prime is 1228501. The reversal of 1228492 is 2948221.

It is a self number, because there is not a number n which added to its sum of digits gives 1228492.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9 + ... + 1567.

It is an arithmetic number, because the mean of its divisors is an integer number (180180).

2^1228492 is an apocalyptic number.

It is an amenable number.

1228492 is a deficient number, since it is larger than the sum of its proper divisors (933668).

1228492 is a wasteful number, since it uses less digits than its factorization.

1228492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1760 (or 1758 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 1228492 is about 1108.3735832290. The cubic root of 1228492 is about 107.1003222485.

The spelling of 1228492 in words is "one million, two hundred twenty-eight thousand, four hundred ninety-two".