1248873886 has 16 divisors (see below), whose sum is σ = 2051607600. Its totient is φ = 566633088.

The previous prime is 1248873881. The next prime is 1248873887. The reversal of 1248873886 is 6883788421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1248873881) 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, 405531 + ... + 408598.

It is an arithmetic number, because the mean of its divisors is an integer number (128225475).

Almost surely, 2^1248873886 is an apocalyptic number.

1248873886 is a deficient number, since it is larger than the sum of its proper divisors (802733714).

1248873886 is a wasteful number, since it uses less digits than its factorization.

1248873886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814203.

The product of its digits is 4128768, while the sum is 55.

The square root of 1248873886 is about 35339.4098139740. The cubic root of 1248873886 is about 1076.8937626168.

The spelling of 1248873886 in words is "one billion, two hundred forty-eight million, eight hundred seventy-three thousand, eight hundred eighty-six".