1248825 has 12 divisors (see below), whose sum is σ = 2064848. Its totient is φ = 666000.

The previous prime is 1248809. The next prime is 1248829. The reversal of 1248825 is 5288421.

It is not a de Polignac number, because 1248825 - 2⁴ = 1248809 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1248792 and 1248801.

It is not an unprimeable number, because it can be changed into a prime (1248829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8251 + ... + 8400.

2^1248825 is an apocalyptic number.

1248825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1248825 is a deficient number, since it is larger than the sum of its proper divisors (816023).

1248825 is a wasteful number, since it uses less digits than its factorization.

1248825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16664 (or 16659 counting only the distinct ones).

The product of its digits is 5120, while the sum is 30.

The square root of 1248825 is about 1117.5083892303. The cubic root of 1248825 is about 107.6879711100.

The spelling of 1248825 in words is "one million, two hundred forty-eight thousand, eight hundred twenty-five".