104200155 has 16 divisors (see below), whose sum is σ = 185244960. Its totient is φ = 55573344.

The previous prime is 104200153. The next prime is 104200169. The reversal of 104200155 is 551002401.

It is not a de Polignac number, because 104200155 - 2¹ = 104200153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (104200153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 385792 + ... + 386061.

It is an arithmetic number, because the mean of its divisors is an integer number (11577810).

Almost surely, 2^104200155 is an apocalyptic number.

104200155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

104200155 is a deficient number, since it is larger than the sum of its proper divisors (81044805).

104200155 is an equidigital number, since it uses as much as digits as its factorization.

104200155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771867 (or 771861 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 104200155 is about 10207.8477163406. The cubic root of 104200155 is about 470.5684310033.

Adding to 104200155 its reverse (551002401), we get a palindrome (655202556).

The spelling of 104200155 in words is "one hundred four million, two hundred thousand, one hundred fifty-five".