1208920 has 16 divisors (see below), whose sum is σ = 2720160. Its totient is φ = 483552.

The previous prime is 1208873. The next prime is 1208927. The reversal of 1208920 is 298021.

It is a super-2 number, since 2×1208920² = 2922975132800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1208891 and 1208900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1208927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15072 + ... + 15151.

It is an arithmetic number, because the mean of its divisors is an integer number (170010).

2^1208920 is an apocalyptic number.

1208920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1208920 is an abundant number, since it is smaller than the sum of its proper divisors (1511240).

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

1208920 is a wasteful number, since it uses less digits than its factorization.

1208920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30234 (or 30230 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 1208920 is about 1099.5089813185. The cubic root of 1208920 is about 106.5285103712.

The spelling of 1208920 in words is "one million, two hundred eight thousand, nine hundred twenty".