100612563 has 8 divisors (see below), whose sum is σ = 135452928. Its totient is φ = 66423624.

The previous prime is 100612553. The next prime is 100612591. The reversal of 100612563 is 365216001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100612563 - 2¹² = 100608467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100612553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162495 + ... + 163112.

It is an arithmetic number, because the mean of its divisors is an integer number (16931616).

Almost surely, 2^100612563 is an apocalyptic number.

100612563 is a deficient number, since it is larger than the sum of its proper divisors (34840365).

100612563 is a wasteful number, since it uses less digits than its factorization.

100612563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325713.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 100612563 is about 10030.5813889325. The cubic root of 100612563 is about 465.1047099146.

Adding to 100612563 its reverse (365216001), we get a palindrome (465828564).

The spelling of 100612563 in words is "one hundred million, six hundred twelve thousand, five hundred sixty-three".