121100032 has 36 divisors (see below), whose sum is σ = 244041336. Its totient is φ = 59970560.

The previous prime is 121100029. The next prime is 121100039. The reversal of 121100032 is 230001121.

It is a junction number, because it is equal to n+sod(n) for n = 121099991 and 121100018.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121100039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25182 + ... + 29602.

It is an arithmetic number, because the mean of its divisors is an integer number (6778926).

Almost surely, 2^121100032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121100032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122020668).

121100032 is an abundant number, since it is smaller than the sum of its proper divisors (122941304).

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

121100032 is an equidigital number, since it uses as much as digits as its factorization.

121100032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4544 (or 4530 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 121100032 is about 11004.5459697345. The cubic root of 121100032 is about 494.7450062363.

Adding to 121100032 its reverse (230001121), we get a palindrome (351101153).

The spelling of 121100032 in words is "one hundred twenty-one million, one hundred thousand, thirty-two".