100883721 has 8 divisors (see below), whose sum is σ = 139150080. Its totient is φ = 64936592.

The previous prime is 100883707. The next prime is 100883723. The reversal of 100883721 is 127388001.

It is a happy number.

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 100883721 - 2¹⁰ = 100882697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100883723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 579705 + ... + 579878.

It is an arithmetic number, because the mean of its divisors is an integer number (17393760).

Almost surely, 2^100883721 is an apocalyptic number.

It is an amenable number.

100883721 is a deficient number, since it is larger than the sum of its proper divisors (38266359).

100883721 is a wasteful number, since it uses less digits than its factorization.

100883721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159615.

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 100883721 is about 10044.0888586272. The cubic root of 100883721 is about 465.5221651857.

The spelling of 100883721 in words is "one hundred million, eight hundred eighty-three thousand, seven hundred twenty-one".