1011260641 has 4 divisors (see below), whose sum is σ = 1043881984. Its totient is φ = 978639300.

The previous prime is 1011260611. The next prime is 1011260659. The reversal of 1011260641 is 1460621101.

1011260641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1460621101 = 2269 ⋅643729.

It is a cyclic number.

It is not a de Polignac number, because 1011260641 - 2⁷ = 1011260513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011260611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16310625 + ... + 16310686.

It is an arithmetic number, because the mean of its divisors is an integer number (260970496).

Almost surely, 2^1011260641 is an apocalyptic number.

It is an amenable number.

1011260641 is a deficient number, since it is larger than the sum of its proper divisors (32621343).

1011260641 is an equidigital number, since it uses as much as digits as its factorization.

1011260641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32621342.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 1011260641 is about 31800.3245423691. The cubic root of 1011260641 is about 1003.7395453689.

Adding to 1011260641 its reverse (1460621101), we get a palindrome (2471881742).

The spelling of 1011260641 in words is "one billion, eleven million, two hundred sixty thousand, six hundred forty-one".