100026263 has 4 divisors (see below), whose sum is σ = 100240920. Its totient is φ = 99811608.

The previous prime is 100026257. The next prime is 100026301. The reversal of 100026263 is 362620001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100026263 - 2⁴ = 100026247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100026253) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 106628 + ... + 107561.

It is an arithmetic number, because the mean of its divisors is an integer number (25060230).

Almost surely, 2^100026263 is an apocalyptic number.

100026263 is a deficient number, since it is larger than the sum of its proper divisors (214657).

100026263 is an equidigital number, since it uses as much as digits as its factorization.

100026263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214656.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 100026263 is about 10001.3130637932. The cubic root of 100026263 is about 464.1995138204.

Adding to 100026263 its reverse (362620001), we get a palindrome (462646264).

The spelling of 100026263 in words is "one hundred million, twenty-six thousand, two hundred sixty-three".