1050141221 has 4 divisors (see below), whose sum is σ = 1111914252. Its totient is φ = 988368192.

The previous prime is 1050141217. The next prime is 1050141223. The reversal of 1050141221 is 1221410501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 847392100 + 202749121 = 29110^2 + 14239^2 .

It is a cyclic number.

It is not a de Polignac number, because 1050141221 - 2² = 1050141217 is a prime.

It is a super-2 number, since 2×1050141221² = 2205593168086741682, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 61773013 = 1050141221 / (1 + 0 + 5 + 0 + 1 + 4 + 1 + 2 + 2 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1050141221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1050141223) 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 3 ways as a sum of consecutive naturals, for example, 30886490 + ... + 30886523.

It is an arithmetic number, because the mean of its divisors is an integer number (277978563).

Almost surely, 2^1050141221 is an apocalyptic number.

It is an amenable number.

1050141221 is a deficient number, since it is larger than the sum of its proper divisors (61773031).

1050141221 is an equidigital number, since it uses as much as digits as its factorization.

1050141221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61773030.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 1050141221 is about 32405.8825061130. The cubic root of 1050141221 is about 1016.4419219181.

Adding to 1050141221 its reverse (1221410501), we get a palindrome (2271551722).

The spelling of 1050141221 in words is "one billion, fifty million, one hundred forty-one thousand, two hundred twenty-one".