104021244 has 72 divisors (see below), whose sum is σ = 274939392. Its totient is φ = 33121440.

The previous prime is 104021237. The next prime is 104021251. The reversal of 104021244 is 442120401.

It is an interprime number because it is at equal distance from previous prime (104021237) and next prime (104021251).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92067 + ... + 93189.

Almost surely, 2^104021244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104021244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137469696).

104021244 is an abundant number, since it is smaller than the sum of its proper divisors (170918148).

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

104021244 is a wasteful number, since it uses less digits than its factorization.

104021244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247 (or 1242 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 104021244 is about 10199.0805467944. The cubic root of 104021244 is about 470.2989557193.

Adding to 104021244 its reverse (442120401), we get a palindrome (546141645).

The spelling of 104021244 in words is "one hundred four million, twenty-one thousand, two hundred forty-four".