100071236 has 24 divisors (see below), whose sum is σ = 180581016. Its totient is φ = 48487680.

The previous prime is 100071227. The next prime is 100071241. The reversal of 100071236 is 632170001.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4227136 + 95844100 = 2056^2 + 9790^2 .

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 in 7 ways as a sum of consecutive naturals, for example, 39776 + ... + 42216.

It is an arithmetic number, because the mean of its divisors is an integer number (7524209).

Almost surely, 2^100071236 is an apocalyptic number.

It is an amenable number.

100071236 is a deficient number, since it is larger than the sum of its proper divisors (80509780).

100071236 is a wasteful number, since it uses less digits than its factorization.

100071236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2759 (or 2757 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 100071236 is about 10003.5611659049. The cubic root of 100071236 is about 464.2690732745.

The spelling of 100071236 in words is "one hundred million, seventy-one thousand, two hundred thirty-six".