1043564101 has 6 divisors (see below), whose sum is σ = 1080790802. Its totient is φ = 1007578320.

The previous prime is 1043564099. The next prime is 1043564131. The reversal of 1043564101 is 1014653401.

1043564101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 153735201 + 889828900 = 12399^2 + 29830^2 .

It is not a de Polignac number, because 1043564101 - 2¹ = 1043564099 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 (1043564131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 619590 + ... + 621271.

Almost surely, 2^1043564101 is an apocalyptic number.

It is an amenable number.

1043564101 is a deficient number, since it is larger than the sum of its proper divisors (37226701).

1043564101 is an equidigital number, since it uses as much as digits as its factorization.

1043564101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240919 (or 1240890 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 1043564101 is about 32304.2427708807. The cubic root of 1043564101 is about 1014.3154567969.

The spelling of 1043564101 in words is "one billion, forty-three million, five hundred sixty-four thousand, one hundred one".