1248920 has 16 divisors (see below), whose sum is σ = 2810160. Its totient is φ = 499552.

The previous prime is 1248917. The next prime is 1248941. The reversal of 1248920 is 298421.

It is a self number, because there is not a number n which added to its sum of digits gives 1248920.

It is a congruent number.

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, 15572 + ... + 15651.

It is an arithmetic number, because the mean of its divisors is an integer number (175635).

2^1248920 is an apocalyptic number.

1248920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1248920 is an abundant number, since it is smaller than the sum of its proper divisors (1561240).

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

1248920 is a wasteful number, since it uses less digits than its factorization.

1248920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31234 (or 31230 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1248920 is about 1117.5508936957. The cubic root of 1248920 is about 107.6907017029.

The spelling of 1248920 in words is "one million, two hundred forty-eight thousand, nine hundred twenty".