121650112 has 28 divisors (see below), whose sum is σ = 244318536. Its totient is φ = 60089600.

The previous prime is 121650083. The next prime is 121650127. The reversal of 121650112 is 211056121.

It is a super-2 number, since 2×121650112² = 29597499499225088, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121650112.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6139 + ... + 16762.

It is an arithmetic number, because the mean of its divisors is an integer number (8725662).

Almost surely, 2^121650112 is an apocalyptic number.

It is an amenable number.

121650112 is an abundant number, since it is smaller than the sum of its proper divisors (122668424).

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

121650112 is an equidigital number, since it uses as much as digits as its factorization.

121650112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22996 (or 22986 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 121650112 is about 11029.5109592402. The cubic root of 121650112 is about 495.4929782461.

The spelling of 121650112 in words is "one hundred twenty-one million, six hundred fifty thousand, one hundred twelve".