104321240 has 32 divisors (see below), whose sum is σ = 235025280. Its totient is φ = 41674752.

The previous prime is 104321237. The next prime is 104321251. The reversal of 104321240 is 42123401.

It is a super-2 number, since 2×104321240² = 21765842230275200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47609 + ... + 49751.

It is an arithmetic number, because the mean of its divisors is an integer number (7344540).

Almost surely, 2^104321240 is an apocalyptic number.

104321240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104321240 is an abundant number, since it is smaller than the sum of its proper divisors (130704040).

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

104321240 is a wasteful number, since it uses less digits than its factorization.

104321240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3371 (or 3367 counting only the distinct ones).

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

The square root of 104321240 is about 10213.7769703475. The cubic root of 104321240 is about 470.7506339380.

Adding to 104321240 its reverse (42123401), we get a palindrome (146444641).

The spelling of 104321240 in words is "one hundred four million, three hundred twenty-one thousand, two hundred forty".