1248020 has 12 divisors (see below), whose sum is σ = 2620884. Its totient is φ = 499200.

The previous prime is 1248019. The next prime is 1248031. The reversal of 1248020 is 208421.

It can be written as a sum of positive squares in 2 ways, for example, as 913936 + 334084 = 956^2 + 578^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1248020.

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, 31181 + ... + 31220.

It is an arithmetic number, because the mean of its divisors is an integer number (218407).

2^1248020 is an apocalyptic number.

1248020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1248020 is an abundant number, since it is smaller than the sum of its proper divisors (1372864).

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

1248020 is a wasteful number, since it uses less digits than its factorization.

1248020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62410 (or 62408 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1248020 is about 1117.1481549016. The cubic root of 1248020 is about 107.6648273682.

The spelling of 1248020 in words is "one million, two hundred forty-eight thousand, twenty".