1043668603201 has 15 divisors (see below), whose sum is σ = 1217599324451. Its totient is φ = 894530181216.

The previous prime is 1043668603189. The next prime is 1043668603231. The reversal of 1043668603201 is 1023068663401.

The square root of 1043668603201 is 1021601.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 965111724801 + 78556878400 = 982401^2 + 280280^2 .

It is not a de Polignac number, because 1043668603201 - 2³⁷ = 906229649729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1043668603231) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 50048025 + ... + 50068873.

Almost surely, 2^{1043668603201} is an apocalyptic number.

1043668603201 is the 1021601-st square number.

1043668603201 is the 510801-st centered octagonal number.

It is an amenable number.

1043668603201 is a deficient number, since it is larger than the sum of its proper divisors (173930721250).

1043668603201 is an frugal number, since it uses more digits than its factorization.

1043668603201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41726 (or 20856 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

The spelling of 1043668603201 in words is "one trillion, forty-three billion, six hundred sixty-eight million, six hundred three thousand, two hundred one".