100011409 has 4 divisors (see below), whose sum is σ = 100077120. Its totient is φ = 99945700.

The previous prime is 100011397. The next prime is 100011413. The reversal of 100011409 is 904110001.

It is a happy number.

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 100011409 - 2¹¹ = 100009361 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100011392 and 100011401.

It is not an unprimeable number, because it can be changed into a prime (100011419) 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, 30517 + ... + 33634.

It is an arithmetic number, because the mean of its divisors is an integer number (25019280).

Almost surely, 2^100011409 is an apocalyptic number.

It is an amenable number.

100011409 is a deficient number, since it is larger than the sum of its proper divisors (65711).

100011409 is an equidigital number, since it uses as much as digits as its factorization.

100011409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65710.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 100011409 is about 10000.5704337303. The cubic root of 100011409 is about 464.1765346524.

The spelling of 100011409 in words is "one hundred million, eleven thousand, four hundred nine".