100259969 has 4 divisors (see below), whose sum is σ = 100469760. Its totient is φ = 100050180.

The previous prime is 100259947. The next prime is 100259987. The reversal of 100259969 is 969952001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100259969 - 2²⁴ = 83482753 is a prime.

It is a super-2 number, since 2×100259969² = 20104122767761922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100259069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104177 + ... + 105134.

It is an arithmetic number, because the mean of its divisors is an integer number (25117440).

Almost surely, 2^100259969 is an apocalyptic number.

It is an amenable number.

100259969 is a deficient number, since it is larger than the sum of its proper divisors (209791).

100259969 is an equidigital number, since it uses as much as digits as its factorization.

100259969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209790.

The product of its (nonzero) digits is 43740, while the sum is 41.

The square root of 100259969 is about 10012.9900129781. The cubic root of 100259969 is about 464.5607583812.

The spelling of 100259969 in words is "one hundred million, two hundred fifty-nine thousand, nine hundred sixty-nine".