1230995686 has 16 divisors (see below), whose sum is σ = 1862700624. Its totient is φ = 610117024.

The previous prime is 1230995663. The next prime is 1230995707. The reversal of 1230995686 is 6865990321.

It is a super-2 number, since 2×1230995686² = 3030700757901221192, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114936 + ... + 125188.

It is an arithmetic number, because the mean of its divisors is an integer number (116418789).

Almost surely, 2^1230995686 is an apocalyptic number.

1230995686 is a deficient number, since it is larger than the sum of its proper divisors (631704938).

1230995686 is a wasteful number, since it uses less digits than its factorization.

1230995686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10775.

The product of its (nonzero) digits is 699840, while the sum is 49.

The square root of 1230995686 is about 35085.5481074473. The cubic root of 1230995686 is about 1071.7303025736.

The spelling of 1230995686 in words is "one billion, two hundred thirty million, nine hundred ninety-five thousand, six hundred eighty-six".