121546536 has 64 divisors (see below), whose sum is σ = 327352320. Its totient is φ = 37498560.

The previous prime is 121546507. The next prime is 121546541. The reversal of 121546536 is 635645121.

It is a junction number, because it is equal to n+sod(n) for n = 121546497 and 121546506.

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, 13561 + ... + 20663.

It is an arithmetic number, because the mean of its divisors is an integer number (5114880).

Almost surely, 2^121546536 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 121546536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163676160).

121546536 is an abundant number, since it is smaller than the sum of its proper divisors (205805784).

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

121546536 is a wasteful number, since it uses less digits than its factorization.

121546536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7166 (or 7162 counting only the distinct ones).

The product of its digits is 21600, while the sum is 33.

The square root of 121546536 is about 11024.8145562635. The cubic root of 121546536 is about 495.3523132078.

The spelling of 121546536 in words is "one hundred twenty-one million, five hundred forty-six thousand, five hundred thirty-six".