100720652 has 24 divisors (see below), whose sum is σ = 178483200. Its totient is φ = 49729680.

The previous prime is 100720649. The next prime is 100720661. The reversal of 100720652 is 256027001.

It is a zygodrome in base 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167849 + ... + 168447.

It is an arithmetic number, because the mean of its divisors is an integer number (7436800).

Almost surely, 2^100720652 is an apocalyptic number.

It is an amenable number.

100720652 is a deficient number, since it is larger than the sum of its proper divisors (77762548).

100720652 is a wasteful number, since it uses less digits than its factorization.

100720652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061 (or 1059 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 100720652 is about 10035.9679154529. The cubic root of 100720652 is about 465.2712057259.

Adding to 100720652 its reverse (256027001), we get a palindrome (356747653).

The spelling of 100720652 in words is "one hundred million, seven hundred twenty thousand, six hundred fifty-two".