1260064986 has 8 divisors (see below), whose sum is σ = 2520129984. Its totient is φ = 420021660.

The previous prime is 1260064979. The next prime is 1260064987. The reversal of 1260064986 is 6894600621.

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

1260064986 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1260064987) 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, 105005410 + ... + 105005421.

It is an arithmetic number, because the mean of its divisors is an integer number (315016248).

Almost surely, 2^1260064986 is an apocalyptic number.

1260064986 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1260064986 is a wasteful number, since it uses less digits than its factorization.

1260064986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210010836.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 1260064986 is about 35497.3940733683. The cubic root of 1260064986 is about 1080.1008667795.

The spelling of 1260064986 in words is "one billion, two hundred sixty million, sixty-four thousand, nine hundred eighty-six".