121803760 has 40 divisors (see below), whose sum is σ = 304980480. Its totient is φ = 44973312.

The previous prime is 121803749. The next prime is 121803767. The reversal of 121803760 is 67308121.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121803767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57520 + ... + 59599.

It is an arithmetic number, because the mean of its divisors is an integer number (7624512).

Almost surely, 2^121803760 is an apocalyptic number.

121803760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121803760 is an abundant number, since it is smaller than the sum of its proper divisors (183176720).

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

121803760 is a wasteful number, since it uses less digits than its factorization.

121803760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117145 (or 117139 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 121803760 is about 11036.4740746309. The cubic root of 121803760 is about 495.7014983320.

The spelling of 121803760 in words is "one hundred twenty-one million, eight hundred three thousand, seven hundred sixty".