1260886163 has 4 divisors (see below), whose sum is σ = 1261020528. Its totient is φ = 1260751800.

The previous prime is 1260886153. The next prime is 1260886183. The reversal of 1260886163 is 3616880621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1260886163 - 2¹² = 1260882067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1260886163.

It is not an unprimeable number, because it can be changed into a prime (1260886153) 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, 51956 + ... + 72257.

It is an arithmetic number, because the mean of its divisors is an integer number (315255132).

Almost surely, 2^1260886163 is an apocalyptic number.

1260886163 is a deficient number, since it is larger than the sum of its proper divisors (134365).

1260886163 is a wasteful number, since it uses less digits than its factorization.

1260886163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134364.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 1260886163 is about 35508.9589118014. The cubic root of 1260886163 is about 1080.3354476397.

The spelling of 1260886163 in words is "one billion, two hundred sixty million, eight hundred eighty-six thousand, one hundred sixty-three".