1043224661 has 2 divisors, whose sum is σ = 1043224662. Its totient is φ = 1043224660.

The previous prime is 1043224603. The next prime is 1043224673. The reversal of 1043224661 is 1664223401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 942121636 + 101103025 = 30694^2 + 10055^2 .

It is a cyclic number.

It is not a de Polignac number, because 1043224661 - 2⁶ = 1043224597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1043224691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 521612330 + 521612331.

It is an arithmetic number, because the mean of its divisors is an integer number (521612331).

Almost surely, 2^1043224661 is an apocalyptic number.

It is an amenable number.

1043224661 is a deficient number, since it is larger than the sum of its proper divisors (1).

1043224661 is an equidigital number, since it uses as much as digits as its factorization.

1043224661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 1043224661 is about 32298.9885445350. The cubic root of 1043224661 is about 1014.2054694387.

The spelling of 1043224661 in words is "one billion, forty-three million, two hundred twenty-four thousand, six hundred sixty-one".