121560536 has 16 divisors (see below), whose sum is σ = 228355440. Its totient is φ = 60665760.

The previous prime is 121560493. The next prime is 121560583. The reversal of 121560536 is 635065121.

It is a junction number, because it is equal to n+sod(n) for n = 121560499 and 121560508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9716 + ... + 18371.

It is an arithmetic number, because the mean of its divisors is an integer number (14272215).

Almost surely, 2^121560536 is an apocalyptic number.

It is an amenable number.

121560536 is a deficient number, since it is larger than the sum of its proper divisors (106794904).

121560536 is a wasteful number, since it uses less digits than its factorization.

121560536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28634 (or 28630 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 121560536 is about 11025.4494692960. The cubic root of 121560536 is about 495.3713310709.

The spelling of 121560536 in words is "one hundred twenty-one million, five hundred sixty thousand, five hundred thirty-six".