121600104 has 64 divisors (see below), whose sum is σ = 316362240. Its totient is φ = 38906880.

The previous prime is 121600097. The next prime is 121600147. The reversal of 121600104 is 401006121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101332 + ... + 102524.

It is an arithmetic number, because the mean of its divisors is an integer number (4943160).

Almost surely, 2^121600104 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 121600104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158181120).

121600104 is an abundant number, since it is smaller than the sum of its proper divisors (194762136).

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

121600104 is a wasteful number, since it uses less digits than its factorization.

121600104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370 (or 1366 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 121600104 is about 11027.2437172668. The cubic root of 121600104 is about 495.4250730916.

Adding to 121600104 its reverse (401006121), we get a palindrome (522606225).

The spelling of 121600104 in words is "one hundred twenty-one million, six hundred thousand, one hundred four".