1205256532 has 12 divisors (see below), whose sum is σ = 2154075840. Its totient is φ = 589806296.

The previous prime is 1205256523. The next prime is 1205256539. The reversal of 1205256532 is 2356525021.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1205256494 and 1205256503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1205256539) 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, 3205282 + ... + 3205657.

It is an arithmetic number, because the mean of its divisors is an integer number (179506320).

Almost surely, 2^1205256532 is an apocalyptic number.

It is an amenable number.

1205256532 is a deficient number, since it is larger than the sum of its proper divisors (948819308).

1205256532 is a wasteful number, since it uses less digits than its factorization.

1205256532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6410990 (or 6410988 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 1205256532 is about 34716.8047492853. The cubic root of 1205256532 is about 1064.2079476069.

The spelling of 1205256532 in words is "one billion, two hundred five million, two hundred fifty-six thousand, five hundred thirty-two".