121394160 has 160 divisors (see below), whose sum is σ = 428186880. Its totient is φ = 31594752.

The previous prime is 121394159. The next prime is 121394183. The reversal of 121394160 is 61493121.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92227 + ... + 93533.

It is an arithmetic number, because the mean of its divisors is an integer number (2676168).

Almost surely, 2^121394160 is an apocalyptic number.

121394160 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 121394160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214093440).

121394160 is an abundant number, since it is smaller than the sum of its proper divisors (306792720).

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

121394160 is a wasteful number, since it uses less digits than its factorization.

121394160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372 (or 1360 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 121394160 is about 11017.9017966217. The cubic root of 121394160 is about 495.1452282780.

The spelling of 121394160 in words is "one hundred twenty-one million, three hundred ninety-four thousand, one hundred sixty".