1002249 has 12 divisors (see below), whose sum is σ = 1457716. Its totient is φ = 663552.

The previous prime is 1002247. The next prime is 1002257. The reversal of 1002249 is 9422001.

1002249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 710649 + 291600 = 843^2 + 540^2 .

It is not a de Polignac number, because 1002249 - 2¹ = 1002247 is a prime.

It is a Duffinian number.

1002249 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002241) 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, 1449 + ... + 2025.

2^1002249 is an apocalyptic number.

It is an amenable number.

1002249 is a deficient number, since it is larger than the sum of its proper divisors (455467).

1002249 is a wasteful number, since it uses less digits than its factorization.

1002249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776 (or 773 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1002249 is about 1001.1238684598. The cubic root of 1002249 is about 100.0749105368.

The spelling of 1002249 in words is "one million, two thousand, two hundred forty-nine".