1002051 has 20 divisors (see below), whose sum is σ = 1524600. Its totient is φ = 655776.

The previous prime is 1002049. The next prime is 1002061. The reversal of 1002051 is 1502001.

It is a happy number.

1002051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1002051 - 2¹ = 1002049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (1002061) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7140 + ... + 7278.

It is an arithmetic number, because the mean of its divisors is an integer number (76230).

2^1002051 is an apocalyptic number.

1002051 is a deficient number, since it is larger than the sum of its proper divisors (522549).

1002051 is an equidigital number, since it uses as much as digits as its factorization.

1002051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240 (or 231 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 9.

The square root of 1002051 is about 1001.0249747134. The cubic root of 1002051 is about 100.0683199798.

Adding to 1002051 its reverse (1502001), we get a palindrome (2504052).

The spelling of 1002051 in words is "one million, two thousand, fifty-one".