121967160 has 256 divisors, whose sum is σ = 447897600. Its totient is φ = 25969152.

The previous prime is 121967149. The next prime is 121967161. The reversal of 121967160 is 61769121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121967161) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 1139827 + ... + 1139933.

It is an arithmetic number, because the mean of its divisors is an integer number (1749600).

Almost surely, 2^121967160 is an apocalyptic number.

121967160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121967160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223948800).

121967160 is an abundant number, since it is smaller than the sum of its proper divisors (325930440).

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

121967160 is a wasteful number, since it uses less digits than its factorization.

121967160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 33.

The square root of 121967160 is about 11043.8743201831. The cubic root of 121967160 is about 495.9230608199.

The spelling of 121967160 in words is "one hundred twenty-one million, nine hundred sixty-seven thousand, one hundred sixty".