104521494 has 96 divisors (see below), whose sum is σ = 266289408. Its totient is φ = 26769600.

The previous prime is 104521463. The next prime is 104521507. The reversal of 104521494 is 494125401.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 665664 + ... + 665820.

It is an arithmetic number, because the mean of its divisors is an integer number (2773848).

Almost surely, 2^104521494 is an apocalyptic number.

104521494 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 104521494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133144704).

104521494 is an abundant number, since it is smaller than the sum of its proper divisors (161767914).

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

104521494 is a wasteful number, since it uses less digits than its factorization.

104521494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 104521494 is about 10223.5754019814. The cubic root of 104521494 is about 471.0516574623.

Adding to 104521494 its reverse (494125401), we get a palindrome (598646895).

The spelling of 104521494 in words is "one hundred four million, five hundred twenty-one thousand, four hundred ninety-four".