12121024 has 14 divisors (see below), whose sum is σ = 24052784. Its totient is φ = 6060480.

The previous prime is 12121009. The next prime is 12121061. The reversal of 12121024 is 42012121.

12121024 = 242² + 243² + ... + 369².

It is a happy number.

12121024 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12120995 and 12121013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94632 + ... + 94759.

It is an arithmetic number, because the mean of its divisors is an integer number (1718056).

Almost surely, 2^12121024 is an apocalyptic number.

It is an amenable number.

12121024 is a deficient number, since it is larger than the sum of its proper divisors (11931760).

12121024 is an equidigital number, since it uses as much as digits as its factorization.

12121024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189403 (or 189393 counting only the distinct ones).

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

The square root of 12121024 is about 3481.5261021569. The cubic root of 12121024 is about 229.7099304826.

Adding to 12121024 its reverse (42012121), we get a palindrome (54133145).

The spelling of 12121024 in words is "twelve million, one hundred twenty-one thousand, twenty-four".