71003120130 has 128 divisors (see below), whose sum is σ = 197864294400. Its totient is φ = 18323210880.

The previous prime is 71003120051. The next prime is 71003120203. The reversal of 71003120130 is 3102130017.

It is a super-2 number, since 2×71003120130² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 625606 + ... + 730334.

It is an arithmetic number, because the mean of its divisors is an integer number (1545814800).

Almost surely, 2^71003120130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71003120130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98932147200).

71003120130 is an abundant number, since it is smaller than the sum of its proper divisors (126861174270).

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

71003120130 is a wasteful number, since it uses less digits than its factorization.

71003120130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104788 (or 104770 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 18.

Adding to 71003120130 its reverse (3102130017), we get a palindrome (74105250147).

The spelling of 71003120130 in words is "seventy-one billion, three million, one hundred twenty thousand, one hundred thirty".