1289116701 has 12 divisors (see below), whose sum is σ = 1931022912. Its totient is φ = 859410972.

The previous prime is 1289116691. The next prime is 1289116723. The reversal of 1289116701 is 1076119821.

It is not a de Polignac number, because 1289116701 - 2⁶ = 1289116637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1289116781) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2652261 + ... + 2652746.

It is an arithmetic number, because the mean of its divisors is an integer number (160918576).

Almost surely, 2^1289116701 is an apocalyptic number.

It is an amenable number.

1289116701 is a deficient number, since it is larger than the sum of its proper divisors (641906211).

1289116701 is an frugal number, since it uses more digits than its factorization.

1289116701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5305022 (or 5305010 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 36.

The square root of 1289116701 is about 35904.2713475709. The cubic root of 1289116701 is about 1088.3387147024.

It can be divided in two parts, 12891 and 16701, that added together give a palindrome (29592).

The spelling of 1289116701 in words is "one billion, two hundred eighty-nine million, one hundred sixteen thousand, seven hundred one".