100200501 has 24 divisors (see below), whose sum is σ = 146852160. Its totient is φ = 65831616.

The previous prime is 100200497. The next prime is 100200517. The reversal of 100200501 is 105002001.

It is a happy number.

It is not a de Polignac number, because 100200501 - 2² = 100200497 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100200301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 244785 + ... + 245193.

It is an arithmetic number, because the mean of its divisors is an integer number (6118840).

Almost surely, 2^100200501 is an apocalyptic number.

It is an amenable number.

100200501 is a deficient number, since it is larger than the sum of its proper divisors (46651659).

100200501 is a wasteful number, since it uses less digits than its factorization.

100200501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745 (or 742 counting only the distinct ones).

The product of its (nonzero) digits is 10, while the sum is 9.

The square root of 100200501 is about 10010.0200299500. The cubic root of 100200501 is about 464.4688906652.

Adding to 100200501 its reverse (105002001), we get a palindrome (205202502).

The spelling of 100200501 in words is "one hundred million, two hundred thousand, five hundred one".