130021602 has 16 divisors (see below), whose sum is σ = 260327520. Its totient is φ = 43293152.

The previous prime is 130021601. The next prime is 130021649. The reversal of 130021602 is 206120031.

It is not an unprimeable number, because it can be changed into a prime (130021601) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5652 + ... + 17087.

It is an arithmetic number, because the mean of its divisors is an integer number (16270470).

Almost surely, 2^130021602 is an apocalyptic number.

130021602 is an abundant number, since it is smaller than the sum of its proper divisors (130305918).

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

130021602 is a wasteful number, since it uses less digits than its factorization.

130021602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23697.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 130021602 is about 11402.7015220078. The cubic root of 130021602 is about 506.6077596758.

Adding to 130021602 its reverse (206120031), we get a palindrome (336141633).

The spelling of 130021602 in words is "one hundred thirty million, twenty-one thousand, six hundred two".