1205011252 has 6 divisors (see below), whose sum is σ = 2108769698. Its totient is φ = 602505624.

The previous prime is 1205011243. The next prime is 1205011303. The reversal of 1205011252 is 2521105021.

It can be written as a sum of positive squares in only one way, i.e., 905167396 + 299843856 = 30086^2 + 17316^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 150626403 + ... + 150626410.

Almost surely, 2^1205011252 is an apocalyptic number.

It is an amenable number.

1205011252 is a deficient number, since it is larger than the sum of its proper divisors (903758446).

1205011252 is a wasteful number, since it uses less digits than its factorization.

1205011252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301252817 (or 301252815 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 1205011252 is about 34713.2719863743. The cubic root of 1205011252 is about 1064.1357509064.

Adding to 1205011252 its reverse (2521105021), we get a palindrome (3726116273).

The spelling of 1205011252 in words is "one billion, two hundred five million, eleven thousand, two hundred fifty-two".