121743852 has 24 divisors (see below), whose sum is σ = 287962416. Its totient is φ = 40025088.

The previous prime is 121743847. The next prime is 121743857. The reversal of 121743852 is 258347121.

It is an interprime number because it is at equal distance from previous prime (121743847) and next prime (121743857).

It is not an unprimeable number, because it can be changed into a prime (121743857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68613 + ... + 70364.

It is an arithmetic number, because the mean of its divisors is an integer number (11998434).

Almost surely, 2^121743852 is an apocalyptic number.

121743852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

121743852 is an abundant number, since it is smaller than the sum of its proper divisors (166218564).

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

121743852 is a wasteful number, since it uses less digits than its factorization.

121743852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139057 (or 139055 counting only the distinct ones).

The product of its digits is 13440, while the sum is 33.

The square root of 121743852 is about 11033.7596493670. The cubic root of 121743852 is about 495.6202163439.

The spelling of 121743852 in words is "one hundred twenty-one million, seven hundred forty-three thousand, eight hundred fifty-two".