100721014 has 16 divisors (see below), whose sum is σ = 160498800. Its totient is φ = 47270304.

The previous prime is 100721011. The next prime is 100721021. The reversal of 100721014 is 410127001.

It is a super-2 number, since 2×100721014² = 20289445322376392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100721011) 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, 8017 + ... + 16300.

It is an arithmetic number, because the mean of its divisors is an integer number (10031175).

Almost surely, 2^100721014 is an apocalyptic number.

100721014 is a deficient number, since it is larger than the sum of its proper divisors (59777786).

100721014 is a wasteful number, since it uses less digits than its factorization.

100721014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24447.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 100721014 is about 10035.9859505681. The cubic root of 100721014 is about 465.2717631355.

Adding to 100721014 its reverse (410127001), we get a palindrome (510848015).

The spelling of 100721014 in words is "one hundred million, seven hundred twenty-one thousand, fourteen".