1205634412 has 24 divisors (see below), whose sum is σ = 2156603904. Its totient is φ = 589484112.

The previous prime is 1205634383. The next prime is 1205634413. The reversal of 1205634412 is 2144365021.

It is not an unprimeable number, because it can be changed into a prime (1205634413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311473 + ... + 315319.

It is an arithmetic number, because the mean of its divisors is an integer number (89858496).

Almost surely, 2^1205634412 is an apocalyptic number.

It is an amenable number.

1205634412 is a deficient number, since it is larger than the sum of its proper divisors (950969492).

1205634412 is a wasteful number, since it uses less digits than its factorization.

1205634412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5565 (or 5563 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1205634412 is about 34722.2466439025. The cubic root of 1205634412 is about 1064.3191551571.

Adding to 1205634412 its reverse (2144365021), we get a palindrome (3349999433).

The spelling of 1205634412 in words is "one billion, two hundred five million, six hundred thirty-four thousand, four hundred twelve".