104269509 has 24 divisors (see below), whose sum is σ = 153187320. Its totient is φ = 68335488.

The previous prime is 104269481. The next prime is 104269513. The reversal of 104269509 is 905962401.

It can be written as a sum of positive squares in 4 ways, for example, as 47568609 + 56700900 = 6897^2 + 7530^2 .

It is not a de Polignac number, because 104269509 - 2¹³ = 104261317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104259509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153679 + ... + 154355.

It is an arithmetic number, because the mean of its divisors is an integer number (6382805).

Almost surely, 2^104269509 is an apocalyptic number.

It is an amenable number.

104269509 is a deficient number, since it is larger than the sum of its proper divisors (48917811).

104269509 is a wasteful number, since it uses less digits than its factorization.

104269509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949 (or 946 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 104269509 is about 10211.2442434798. The cubic root of 104269509 is about 470.6728088551.

The spelling of 104269509 in words is "one hundred four million, two hundred sixty-nine thousand, five hundred nine".