1002203025 has 48 divisors (see below), whose sum is σ = 1723550400. Its totient is φ = 513237760.

The previous prime is 1002203017. The next prime is 1002203039. The reversal of 1002203025 is 5203022001.

It is not a de Polignac number, because 1002203025 - 2³ = 1002203017 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 1002202995 and 1002203013.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 427306 + ... + 429644.

It is an arithmetic number, because the mean of its divisors is an integer number (35907300).

Almost surely, 2^1002203025 is an apocalyptic number.

1002203025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1002203025 is a deficient number, since it is larger than the sum of its proper divisors (721347375).

1002203025 is a wasteful number, since it uses less digits than its factorization.

1002203025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2578 (or 2573 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 1002203025 is about 31657.5903220697. The cubic root of 1002203025 is about 1000.7338030680.

Adding to 1002203025 its reverse (5203022001), we get a palindrome (6205225026).

The spelling of 1002203025 in words is "one billion, two million, two hundred three thousand, twenty-five".