1206441140 has 12 divisors (see below), whose sum is σ = 2533526436. Its totient is φ = 482576448.

The previous prime is 1206441139. The next prime is 1206441161. The reversal of 1206441140 is 411446021.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 767622436 + 438818704 = 27706^2 + 20948^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30161009 + ... + 30161048.

It is an arithmetic number, because the mean of its divisors is an integer number (211127203).

Almost surely, 2^1206441140 is an apocalyptic number.

1206441140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1206441140 is an abundant number, since it is smaller than the sum of its proper divisors (1327085296).

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

1206441140 is a wasteful number, since it uses less digits than its factorization.

1206441140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60322066 (or 60322064 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 1206441140 is about 34733.8615762774. The cubic root of 1206441140 is about 1064.5564920637.

Adding to 1206441140 its reverse (411446021), we get a palindrome (1617887161).

The spelling of 1206441140 in words is "one billion, two hundred six million, four hundred forty-one thousand, one hundred forty".