71248130 has 16 divisors (see below), whose sum is σ = 128343744. Its totient is φ = 28477680.

The previous prime is 71248123. The next prime is 71248141. The reversal of 71248130 is 3184217.

It is a self number, because there is not a number n which added to its sum of digits gives 71248130.

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 7 ways as a sum of consecutive naturals, for example, 21569 + ... + 24651.

It is an arithmetic number, because the mean of its divisors is an integer number (8021484).

Almost surely, 2^71248130 is an apocalyptic number.

71248130 is a deficient number, since it is larger than the sum of its proper divisors (57095614).

71248130 is a wasteful number, since it uses less digits than its factorization.

71248130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5401.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 71248130 is about 8440.8607381001. The cubic root of 71248130 is about 414.5635902037.

The spelling of 71248130 in words is "seventy-one million, two hundred forty-eight thousand, one hundred thirty".