1205616252 has 48 divisors (see below), whose sum is σ = 2833294464. Its totient is φ = 399000000.

The previous prime is 1205616233. The next prime is 1205616259. The reversal of 1205616252 is 2526165021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1205616259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1719502 + ... + 1720202.

It is an arithmetic number, because the mean of its divisors is an integer number (59026968).

Almost surely, 2^1205616252 is an apocalyptic number.

1205616252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1205616252 is an abundant number, since it is smaller than the sum of its proper divisors (1627678212).

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

1205616252 is a wasteful number, since it uses less digits than its factorization.

1205616252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1530 (or 1528 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 1205616252 is about 34721.9851391017. The cubic root of 1205616252 is about 1064.3138113225.

The spelling of 1205616252 in words is "one billion, two hundred five million, six hundred sixteen thousand, two hundred fifty-two".