71121002 has 8 divisors (see below), whose sum is σ = 106728516. Its totient is φ = 35544832.

The previous prime is 71120989. The next prime is 71121023. The reversal of 71121002 is 20012117.

It can be written as a sum of positive squares in 2 ways, for example, as 65593801 + 5527201 = 8099^2 + 2351^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 953 + ... + 11964.

Almost surely, 2^71121002 is an apocalyptic number.

71121002 is a deficient number, since it is larger than the sum of its proper divisors (35607514).

71121002 is a wasteful number, since it uses less digits than its factorization.

71121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15672.

The product of its (nonzero) digits is 28, while the sum is 14.

The square root of 71121002 is about 8433.3268642926. The cubic root of 71121002 is about 414.3168748772.

Adding to 71121002 its reverse (20012117), we get a palindrome (91133119).

The spelling of 71121002 in words is "seventy-one million, one hundred twenty-one thousand, two".