121024 has 28 divisors (see below), whose sum is σ = 251968. Its totient is φ = 57600.

The previous prime is 121021. The next prime is 121039. The reversal of 121024 is 420121.

It is a self number, because there is not a number n which added to its sum of digits gives 121024.

It is not an unprimeable number, because it can be changed into a prime (121021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1954 + ... + 2014.

2¹²¹⁰²⁴ 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 121024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125984).

121024 is an abundant number, since it is smaller than the sum of its proper divisors (130944).

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

121024 is an equidigital number, since it uses as much as digits as its factorization.

121024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 121024 is about 347.8850384825. The cubic root of 121024 is about 49.4641443568.

Adding to 121024 its reverse (420121), we get a palindrome (541145).

It can be divided in two parts, 1 and 21024, that added together give a square (21025 = 145²).

The spelling of 121024 in words is "one hundred twenty-one thousand, twenty-four", and thus it is an iban number.