121180332 has 144 divisors (see below), whose sum is σ = 360364032. Its totient is φ = 31409280.

The previous prime is 121180331. The next prime is 121180337. The reversal of 121180332 is 233081121.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 121180299 and 121180308.

It is not an unprimeable number, because it can be changed into a prime (121180331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 634357 + ... + 634547.

It is an arithmetic number, because the mean of its divisors is an integer number (2502528).

Almost surely, 2^121180332 is an apocalyptic number.

121180332 is a gapful number since it is divisible by the number (12) 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 121180332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180182016).

121180332 is an abundant number, since it is smaller than the sum of its proper divisors (239183700).

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

121180332 is a wasteful number, since it uses less digits than its factorization.

121180332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 121180332 is about 11008.1938573047. The cubic root of 121180332 is about 494.8543352638.

The spelling of 121180332 in words is "one hundred twenty-one million, one hundred eighty thousand, three hundred thirty-two".