71124419 has 2 divisors, whose sum is σ = 71124420. Its totient is φ = 71124418.

The previous prime is 71124373. The next prime is 71124433. The reversal of 71124419 is 91442117.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71124419 - 2²⁴ = 54347203 is a prime.

It is a super-2 number, since 2×71124419² = 10117365956175122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 71124391 and 71124400.

It is not a weakly prime, because it can be changed into another prime (71124479) by changing a digit.

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 as a sum of consecutive naturals, namely, 35562209 + 35562210.

It is an arithmetic number, because the mean of its divisors is an integer number (35562210).

Almost surely, 2^71124419 is an apocalyptic number.

71124419 is a deficient number, since it is larger than the sum of its proper divisors (1).

71124419 is an equidigital number, since it uses as much as digits as its factorization.

71124419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 29.

The square root of 71124419 is about 8433.5294509476. The cubic root of 71124419 is about 414.3235100391.

The spelling of 71124419 in words is "seventy-one million, one hundred twenty-four thousand, four hundred nineteen".