1041302221 has 4 divisors (see below), whose sum is σ = 1042311292. Its totient is φ = 1040293152.

The previous prime is 1041302203. The next prime is 1041302243. The reversal of 1041302221 is 1222031401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1222031401 = 251 ⋅4868651.

It can be written as a sum of positive squares in 2 ways, for example, as 625550121 + 415752100 = 25011^2 + 20390^2 .

It is a cyclic number.

It is not a de Polignac number, because 1041302221 - 2⁵ = 1041302189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1041302195 and 1041302204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1041302321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502986 + ... + 505051.

It is an arithmetic number, because the mean of its divisors is an integer number (260577823).

Almost surely, 2^1041302221 is an apocalyptic number.

It is an amenable number.

1041302221 is a deficient number, since it is larger than the sum of its proper divisors (1009071).

1041302221 is a wasteful number, since it uses less digits than its factorization.

1041302221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009070.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1041302221 is about 32269.2147564827. The cubic root of 1041302221 is about 1013.5820984238.

Adding to 1041302221 its reverse (1222031401), we get a palindrome (2263333622).

The spelling of 1041302221 in words is "one billion, forty-one million, three hundred two thousand, two hundred twenty-one".