1260463989 has 8 divisors (see below), whose sum is σ = 1682288320. Its totient is φ = 839474496.

The previous prime is 1260463961. The next prime is 1260464003. The reversal of 1260463989 is 9893640621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1260463989 - 2²⁹ = 723593077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1260463949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205177 + ... + 211230.

It is an arithmetic number, because the mean of its divisors is an integer number (210286040).

Almost surely, 2^1260463989 is an apocalyptic number.

It is an amenable number.

1260463989 is a deficient number, since it is larger than the sum of its proper divisors (421824331).

1260463989 is a wasteful number, since it uses less digits than its factorization.

1260463989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417419.

The product of its (nonzero) digits is 559872, while the sum is 48.

The square root of 1260463989 is about 35503.0138016479. The cubic root of 1260463989 is about 1080.2148603725.

The spelling of 1260463989 in words is "one billion, two hundred sixty million, four hundred sixty-three thousand, nine hundred eighty-nine".