121849188 has 48 divisors (see below), whose sum is σ = 289255680. Its totient is φ = 39916800.

The previous prime is 121849181. The next prime is 121849201. The reversal of 121849188 is 881948121.

It is not an unprimeable number, because it can be changed into a prime (121849181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289218 + ... + 289638.

It is an arithmetic number, because the mean of its divisors is an integer number (6026160).

Almost surely, 2^121849188 is an apocalyptic number.

It is an amenable number.

121849188 is an abundant number, since it is smaller than the sum of its proper divisors (167406492).

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

121849188 is a wasteful number, since it uses less digits than its factorization.

121849188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788 (or 786 counting only the distinct ones).

The product of its digits is 36864, while the sum is 42.

The square root of 121849188 is about 11038.5319676124. The cubic root of 121849188 is about 495.7631163771.

The spelling of 121849188 in words is "one hundred twenty-one million, eight hundred forty-nine thousand, one hundred eighty-eight".