121537112 has 32 divisors (see below), whose sum is σ = 240261120. Its totient is φ = 57551520.

The previous prime is 121537111. The next prime is 121537123. The reversal of 121537112 is 211735121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121537111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6443 + ... + 16869.

It is an arithmetic number, because the mean of its divisors is an integer number (7508160).

Almost surely, 2^121537112 is an apocalyptic number.

It is an amenable number.

121537112 is a deficient number, since it is larger than the sum of its proper divisors (118724008).

121537112 is a wasteful number, since it uses less digits than its factorization.

121537112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10511 (or 10507 counting only the distinct ones).

The product of its digits is 420, while the sum is 23.

The square root of 121537112 is about 11024.3871484995. The cubic root of 121537112 is about 495.3395106467.

The spelling of 121537112 in words is "one hundred twenty-one million, five hundred thirty-seven thousand, one hundred twelve".