1050442121 has 8 divisors (see below), whose sum is σ = 1116852264. Its totient is φ = 984545280.

The previous prime is 1050442109. The next prime is 1050442123. The reversal of 1050442121 is 1212440501.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 498896896 + 551545225 = 22336^2 + 23485^2 .

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 1050442121 - 2¹⁰ = 1050441097 is a prime.

It is a super-2 number, since 2×1050442121² = 2206857299141957282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1050442093 and 1050442102.

It is not an unprimeable number, because it can be changed into a prime (1050442123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124100 + ... + 132293.

It is an arithmetic number, because the mean of its divisors is an integer number (139606533).

Almost surely, 2^1050442121 is an apocalyptic number.

It is an amenable number.

1050442121 is a deficient number, since it is larger than the sum of its proper divisors (66410143).

1050442121 is a wasteful number, since it uses less digits than its factorization.

1050442121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256651.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 1050442121 is about 32410.5248491906. The cubic root of 1050442121 is about 1016.5389939948.

Adding to 1050442121 its reverse (1212440501), we get a palindrome (2262882622).

It can be divided in two parts, 10504 and 42121, that added together give a palindrome (52625).

The spelling of 1050442121 in words is "one billion, fifty million, four hundred forty-two thousand, one hundred twenty-one".