130021002 has 24 divisors (see below), whose sum is σ = 281923200. Its totient is φ = 43307880.

The previous prime is 130020983. The next prime is 130021033. The reversal of 130021002 is 200120031.

It is a happy number.

It is a super-2 number, since 2×130021002² = 33810921922168008, which contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41677 + ... + 44687.

It is an arithmetic number, because the mean of its divisors is an integer number (11746800).

Almost surely, 2^130021002 is an apocalyptic number.

130021002 is an abundant number, since it is smaller than the sum of its proper divisors (151902198).

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

130021002 is a wasteful number, since it uses less digits than its factorization.

130021002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5418 (or 5415 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 130021002 is about 11402.6752124227. The cubic root of 130021002 is about 506.6069804076.

Adding to 130021002 its reverse (200120031), we get a palindrome (330141033).

The spelling of 130021002 in words is "one hundred thirty million, twenty-one thousand, two".