1002130444 has 24 divisors (see below), whose sum is σ = 2005498880. Its totient is φ = 429219216.

The previous prime is 1002130439. The next prime is 1002130483. The reversal of 1002130444 is 4440312001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39079 + ... + 59425.

Almost surely, 2^1002130444 is an apocalyptic number.

1002130444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1002130444 is an abundant number, since it is smaller than the sum of its proper divisors (1003368436).

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

1002130444 is a wasteful number, since it uses less digits than its factorization.

1002130444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22117 (or 22115 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1002130444 is about 31656.4439569576. The cubic root of 1002130444 is about 1000.7096442859.

Adding to 1002130444 its reverse (4440312001), we get a palindrome (5442442445).

The spelling of 1002130444 in words is "one billion, two million, one hundred thirty thousand, four hundred forty-four".