121124020 has 12 divisors (see below), whose sum is σ = 254360484. Its totient is φ = 48449600.

The previous prime is 121123969. The next prime is 121124023. The reversal of 121124020 is 20421121.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 30074256 + 91049764 = 5484^2 + 9542^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121124023) 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 3 ways as a sum of consecutive naturals, for example, 3028081 + ... + 3028120.

It is an arithmetic number, because the mean of its divisors is an integer number (21196707).

Almost surely, 2^121124020 is an apocalyptic number.

121124020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121124020 is an abundant number, since it is smaller than the sum of its proper divisors (133236464).

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

121124020 is a wasteful number, since it uses less digits than its factorization.

121124020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6056210 (or 6056208 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 121124020 is about 11005.6358289742. The cubic root of 121124020 is about 494.7776711319. Note that the first 3 decimals are identical.

Adding to 121124020 its reverse (20421121), we get a palindrome (141545141).

The spelling of 121124020 in words is "one hundred twenty-one million, one hundred twenty-four thousand, twenty".