121160340 has 288 divisors, whose sum is σ = 463478400. Its totient is φ = 26127360.

The previous prime is 121160339. The next prime is 121160357. The reversal of 121160340 is 43061121.

It is a happy number.

121160340 is a `hidden beast` number, since 1 + 21 + 1 + 603 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 502620 + ... + 502860.

It is an arithmetic number, because the mean of its divisors is an integer number (1609300).

Almost surely, 2^121160340 is an apocalyptic number.

121160340 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 121160340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231739200).

121160340 is an abundant number, since it is smaller than the sum of its proper divisors (342318060).

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

121160340 is a wasteful number, since it uses less digits than its factorization.

121160340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292 (or 277 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 121160340 is about 11007.2857689805. The cubic root of 121160340 is about 494.8271205285.

It can be divided in two parts, 121 and 160340, that added together give a triangular number (160461 = T₅₆₆).

The spelling of 121160340 in words is "one hundred twenty-one million, one hundred sixty thousand, three hundred forty".