104123240 has 32 divisors (see below), whose sum is σ = 252299880. Its totient is φ = 38445312.

The previous prime is 104123237. The next prime is 104123263. The reversal of 104123240 is 42321401.

It can be written as a sum of positive squares in 4 ways, for example, as 79103236 + 25020004 = 8894^2 + 5002^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 99599 + ... + 100638.

Almost surely, 2^104123240 is an apocalyptic number.

104123240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104123240 is an abundant number, since it is smaller than the sum of its proper divisors (148176640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

104123240 is a wasteful number, since it uses less digits than its factorization.

104123240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200261 (or 200257 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 104123240 is about 10204.0795763263. The cubic root of 104123240 is about 470.4526196593.

Adding to 104123240 its reverse (42321401), we get a palindrome (146444641).

The spelling of 104123240 in words is "one hundred four million, one hundred twenty-three thousand, two hundred forty".