1260086889 has 16 divisors (see below), whose sum is σ = 1706576960. Its totient is φ = 826848000.

The previous prime is 1260086887. The next prime is 1260086899. The reversal of 1260086889 is 9886800621.

It is not a de Polignac number, because 1260086889 - 2¹ = 1260086887 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1260086887) 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, 418389 + ... + 421389.

It is an arithmetic number, because the mean of its divisors is an integer number (106661060).

Almost surely, 2^1260086889 is an apocalyptic number.

It is an amenable number.

1260086889 is a deficient number, since it is larger than the sum of its proper divisors (446490071).

1260086889 is a wasteful number, since it uses less digits than its factorization.

1260086889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5160.

The product of its (nonzero) digits is 331776, while the sum is 48.

The square root of 1260086889 is about 35497.7025876323. The cubic root of 1260086889 is about 1080.1071250049.

The spelling of 1260086889 in words is "one billion, two hundred sixty million, eighty-six thousand, eight hundred eighty-nine".