1002148 has 18 divisors (see below), whose sum is σ = 2040486. Its totient is φ = 429408.

The previous prime is 1002143. The next prime is 1002149. The reversal of 1002148 is 8412001.

It is a happy number.

1002148 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 only one way, i.e., 550564 + 451584 = 742^2 + 672^2 .

It is a super-2 number, since 2×1002148² = 2008601227808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1002143) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2361 + ... + 2752.

2^1002148 is an apocalyptic number.

It is an amenable number.

1002148 is an abundant number, since it is smaller than the sum of its proper divisors (1038338).

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

1002148 is a wasteful number, since it uses less digits than its factorization.

1002148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5131 (or 5122 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 1002148 is about 1001.0734238806. The cubic root of 1002148 is about 100.0715487955.

Adding to 1002148 its reverse (8412001), we get a palindrome (9414149).

The spelling of 1002148 in words is "one million, two thousand, one hundred forty-eight".