104011220 has 12 divisors (see below), whose sum is σ = 218423604. Its totient is φ = 41604480.

The previous prime is 104011217. The next prime is 104011223. The reversal of 104011220 is 22110401.

It is an interprime number because it is at equal distance from previous prime (104011217) and next prime (104011223).

It can be written as a sum of positive squares in 2 ways, for example, as 16924996 + 87086224 = 4114^2 + 9332^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104011223) 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 3 ways as a sum of consecutive naturals, for example, 2600261 + ... + 2600300.

It is an arithmetic number, because the mean of its divisors is an integer number (18201967).

Almost surely, 2^104011220 is an apocalyptic number.

104011220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104011220 is an abundant number, since it is smaller than the sum of its proper divisors (114412384).

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

104011220 is a wasteful number, since it uses less digits than its factorization.

104011220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5200570 (or 5200568 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 104011220 is about 10198.5891181084. The cubic root of 104011220 is about 470.2838484586.

Adding to 104011220 its reverse (22110401), we get a palindrome (126121621).

The spelling of 104011220 in words is "one hundred four million, eleven thousand, two hundred twenty".