71227126 has 4 divisors (see below), whose sum is σ = 106840692. Its totient is φ = 35613562.

The previous prime is 71227073. The next prime is 71227139. The reversal of 71227126 is 62172217.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 71227094 and 71227103.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17806780 + ... + 17806783.

It is an arithmetic number, because the mean of its divisors is an integer number (26710173).

Almost surely, 2^71227126 is an apocalyptic number.

71227126 is a deficient number, since it is larger than the sum of its proper divisors (35613566).

71227126 is a wasteful number, since it uses less digits than its factorization.

71227126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35613565.

The product of its digits is 2352, while the sum is 28.

The square root of 71227126 is about 8439.6164604797. The cubic root of 71227126 is about 414.5228483183.

The spelling of 71227126 in words is "seventy-one million, two hundred twenty-seven thousand, one hundred twenty-six".