71003439122 has 54 divisors (see below), whose sum is σ = 136236414951. Its totient is φ = 27652372440.

The previous prime is 71003439119. The next prime is 71003439149. The reversal of 71003439122 is 22193430017.

It can be written as a sum of positive squares in only one way, i.e., 35501719561 + 35501719561 = 188419^2 + 188419^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=188419.

It is a super-3 number, since 3×71003439122³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 29015303 + ... + 29017749.

Almost surely, 2^71003439122 is an apocalyptic number.

71003439122 is a deficient number, since it is larger than the sum of its proper divisors (65232975829).

71003439122 is an equidigital number, since it uses as much as digits as its factorization.

71003439122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4932 (or 2467 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

Multiplying 71003439122 by its sum of digits (32), we get a square (2272110051904 = 1507352²).

Adding to 71003439122 its reverse (22193430017), we get a palindrome (93196869139).

The spelling of 71003439122 in words is "seventy-one billion, three million, four hundred thirty-nine thousand, one hundred twenty-two".