1207016985 has 32 divisors (see below), whose sum is σ = 1968370560. Its totient is φ = 631411200.

The previous prime is 1207016981. The next prime is 1207017001. The reversal of 1207016985 is 5896107021.

It is not a de Polignac number, because 1207016985 - 2² = 1207016981 is a prime.

It is a super-3 number, since 3×1207016985³ (a number of 28 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1207016981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 477525 + ... + 480045.

It is an arithmetic number, because the mean of its divisors is an integer number (61511580).

Almost surely, 2^1207016985 is an apocalyptic number.

1207016985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1207016985 is a deficient number, since it is larger than the sum of its proper divisors (761353575).

1207016985 is a wasteful number, since it uses less digits than its factorization.

1207016985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3129.

The product of its (nonzero) digits is 30240, while the sum is 39.

The square root of 1207016985 is about 34742.1499766494. The cubic root of 1207016985 is about 1064.7258391916.

The spelling of 1207016985 in words is "one billion, two hundred seven million, sixteen thousand, nine hundred eighty-five".