1002521223 has 12 divisors (see below), whose sum is σ = 1579730568. Its totient is φ = 607588560.

The previous prime is 1002521189. The next prime is 1002521243. The reversal of 1002521223 is 3221252001.

It is not a de Polignac number, because 1002521223 - 2¹⁶ = 1002455687 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1002521196 and 1002521205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002521243) 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, 5063140 + ... + 5063337.

It is an arithmetic number, because the mean of its divisors is an integer number (131644214).

Almost surely, 2^1002521223 is an apocalyptic number.

1002521223 is a deficient number, since it is larger than the sum of its proper divisors (577209345).

1002521223 is a wasteful number, since it uses less digits than its factorization.

1002521223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10126494 (or 10126491 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1002521223 is about 31662.6155426238. The cubic root of 1002521223 is about 1000.8397023692.

Adding to 1002521223 its reverse (3221252001), we get a palindrome (4223773224).

It can be divided in two parts, 100252 and 1223, that added together give a triangular number (101475 = T₄₅₀).

The spelling of 1002521223 in words is "one billion, two million, five hundred twenty-one thousand, two hundred twenty-three".