100632805 has 16 divisors (see below), whose sum is σ = 148627584. Its totient is φ = 63696960.

The previous prime is 100632799. The next prime is 100632821. The reversal of 100632805 is 508236001.

It is a happy number.

It is not a de Polignac number, because 100632805 - 2¹⁵ = 100600037 is a prime.

It is a super-2 number, since 2×100632805² = 20253922884336050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 100632805.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 110131 + ... + 111040.

It is an arithmetic number, because the mean of its divisors is an integer number (9289224).

Almost surely, 2^100632805 is an apocalyptic number.

It is an amenable number.

100632805 is a deficient number, since it is larger than the sum of its proper divisors (47994779).

100632805 is a wasteful number, since it uses less digits than its factorization.

100632805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221196.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 100632805 is about 10031.5903524815. The cubic root of 100632805 is about 465.1358989230.

Adding to 100632805 its reverse (508236001), we get a palindrome (608868806).

The spelling of 100632805 in words is "one hundred million, six hundred thirty-two thousand, eight hundred five".