121078080 has 168 divisors, whose sum is σ = 441133992. Its totient is φ = 30375936.

The previous prime is 121078039. The next prime is 121078081. The reversal of 121078080 is 80870121.

It can be written as a sum of positive squares in 4 ways, for example, as 38340864 + 82737216 = 6192^2 + 9096^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121078081) 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 23 ways as a sum of consecutive naturals, for example, 47724 + ... + 50196.

Almost surely, 2^121078080 is an apocalyptic number.

121078080 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 121078080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (220566996).

121078080 is an abundant number, since it is smaller than the sum of its proper divisors (320055912).

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

121078080 is a wasteful number, since it uses less digits than its factorization.

121078080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2513 (or 2500 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 27.

The square root of 121078080 is about 11003.5485185462. The cubic root of 121078080 is about 494.7151100188.

The spelling of 121078080 in words is "one hundred twenty-one million, seventy-eight thousand, eighty".