2121053 has 8 divisors (see below), whose sum is σ = 2370816. Its totient is φ = 1880800.

The previous prime is 2121043. The next prime is 2121121. The reversal of 2121053 is 3501212.

It is a happy number.

2121053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2121053 - 2¹² = 2116957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1901 + ... + 2802.

It is an arithmetic number, because the mean of its divisors is an integer number (296352).

2^2121053 is an apocalyptic number.

It is an amenable number.

2121053 is a deficient number, since it is larger than the sum of its proper divisors (249763).

2121053 is a wasteful number, since it uses less digits than its factorization.

2121053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4755.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 2121053 is about 1456.3835346501. The cubic root of 2121053 is about 128.4844313881.

Adding to 2121053 its reverse (3501212), we get a palindrome (5622265).

The spelling of 2121053 in words is "two million, one hundred twenty-one thousand, fifty-three".