71124055 has 8 divisors (see below), whose sum is σ = 85456800. Its totient is φ = 56827296.

The previous prime is 71124047. The next prime is 71124103. The reversal of 71124055 is 55042117.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 71124055 - 2³ = 71124047 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4435 + ... + 12724.

It is an arithmetic number, because the mean of its divisors is an integer number (10682100).

Almost surely, 2^71124055 is an apocalyptic number.

71124055 is a deficient number, since it is larger than the sum of its proper divisors (14332745).

71124055 is a wasteful number, since it uses less digits than its factorization.

71124055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17993.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 71124055 is about 8433.5078703941. The cubic root of 71124055 is about 414.3228032307.

The spelling of 71124055 in words is "seventy-one million, one hundred twenty-four thousand, fifty-five".