71122130 has 32 divisors (see below), whose sum is σ = 135777600. Its totient is φ = 26747712.

The previous prime is 71122027. The next prime is 71122147. The reversal of 71122130 is 3122117.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 71122099 and 71122108.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25064 + ... + 27756.

It is an arithmetic number, because the mean of its divisors is an integer number (4243050).

Almost surely, 2^71122130 is an apocalyptic number.

71122130 is a deficient number, since it is larger than the sum of its proper divisors (64655470).

71122130 is a wasteful number, since it uses less digits than its factorization.

71122130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2858.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 71122130 is about 8433.3937415491. The cubic root of 71122130 is about 414.3190652614.

Adding to 71122130 its reverse (3122117), we get a palindrome (74244247).

The spelling of 71122130 in words is "seventy-one million, one hundred twenty-two thousand, one hundred thirty".