1205355252 has 24 divisors (see below), whose sum is σ = 2827073536. Its totient is φ = 399702528.

The previous prime is 1205355209. The next prime is 1205355287. The reversal of 1205355252 is 2525535021.

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, 257908 + ... + 262539.

Almost surely, 2^1205355252 is an apocalyptic number.

1205355252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1205355252 is an abundant number, since it is smaller than the sum of its proper divisors (1621718284).

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

1205355252 is a wasteful number, since it uses less digits than its factorization.

1205355252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520647 (or 520645 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 1205355252 is about 34718.2265100048. The cubic root of 1205355252 is about 1064.2370024837.

The spelling of 1205355252 in words is "one billion, two hundred five million, three hundred fifty-five thousand, two hundred fifty-two".