1205685960 has 64 divisors (see below), whose sum is σ = 3619598400. Its totient is φ = 321290496.

The previous prime is 1205685941. The next prime is 1205685979. The reversal of 1205685960 is 695865021.

It is an interprime number because it is at equal distance from previous prime (1205685941) and next prime (1205685979).

It is a super-2 number, since 2×1205685960² = 2907357268282243200, which contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 234942 + ... + 240018.

It is an arithmetic number, because the mean of its divisors is an integer number (56556225).

Almost surely, 2^1205685960 is an apocalyptic number.

1205685960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1205685960 is an abundant number, since it is smaller than the sum of its proper divisors (2413912440).

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

1205685960 is a wasteful number, since it uses less digits than its factorization.

1205685960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7070 (or 7066 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 1205685960 is about 34722.9889266463. The cubic root of 1205685960 is about 1064.3343235867.

The spelling of 1205685960 in words is "one billion, two hundred five million, six hundred eighty-five thousand, nine hundred sixty".