1205071472 has 40 divisors (see below), whose sum is σ = 2564233200. Its totient is φ = 544071680.

The previous prime is 1205071411. The next prime is 1205071487. The reversal of 1205071472 is 2741705021.

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, 3248 + ... + 49200.

It is an arithmetic number, because the mean of its divisors is an integer number (64105830).

Almost surely, 2^1205071472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1205071472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1282116600).

1205071472 is an abundant number, since it is smaller than the sum of its proper divisors (1359161728).

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

1205071472 is a wasteful number, since it uses less digits than its factorization.

1205071472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46121 (or 46115 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 29.

The square root of 1205071472 is about 34714.1393671224. The cubic root of 1205071472 is about 1064.1534772104.

Adding to 1205071472 its reverse (2741705021), we get a palindrome (3946776493).

The spelling of 1205071472 in words is "one billion, two hundred five million, seventy-one thousand, four hundred seventy-two".