1043207261 has 16 divisors (see below), whose sum is σ = 1126483200. Its totient is φ = 962462208.

The previous prime is 1043207237. The next prime is 1043207279. The reversal of 1043207261 is 1627023401.

It is not a de Polignac number, because 1043207261 - 2⁶ = 1043207197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1043207261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1043207201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 408956 + ... + 411498.

It is an arithmetic number, because the mean of its divisors is an integer number (70405200).

Almost surely, 2^1043207261 is an apocalyptic number.

It is an amenable number.

1043207261 is a deficient number, since it is larger than the sum of its proper divisors (83275939).

1043207261 is a wasteful number, since it uses less digits than its factorization.

1043207261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3028.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 1043207261 is about 32298.7191851318. The cubic root of 1043207261 is about 1014.1998307449.

The spelling of 1043207261 in words is "one billion, forty-three million, two hundred seven thousand, two hundred sixty-one".