1289141474 has 24 divisors (see below), whose sum is σ = 1994601180. Its totient is φ = 624835296.

The previous prime is 1289141473. The next prime is 1289141489. The reversal of 1289141474 is 4741419821.

It can be written as a sum of positive squares in 2 ways, for example, as 1226050225 + 63091249 = 35015^2 + 7943^2 .

It is a super-3 number, since 3×1289141474³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1289141473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 480224 + ... + 482900.

Almost surely, 2^1289141474 is an apocalyptic number.

1289141474 is a deficient number, since it is larger than the sum of its proper divisors (705459706).

1289141474 is a wasteful number, since it uses less digits than its factorization.

1289141474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2882 (or 2835 counting only the distinct ones).

The product of its digits is 64512, while the sum is 41.

The square root of 1289141474 is about 35904.6163327225. The cubic root of 1289141474 is about 1088.3456862053.

The spelling of 1289141474 in words is "one billion, two hundred eighty-nine million, one hundred forty-one thousand, four hundred seventy-four".