1201304440 has 32 divisors (see below), whose sum is σ = 3089069280. Its totient is φ = 411875712.

The previous prime is 1201304407. The next prime is 1201304449. The reversal of 1201304440 is 444031021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201304449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2144907 + ... + 2145466.

It is an arithmetic number, because the mean of its divisors is an integer number (96533415).

Almost surely, 2^1201304440 is an apocalyptic number.

1201304440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1201304440 is an abundant number, since it is smaller than the sum of its proper divisors (1887764840).

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

1201304440 is a wasteful number, since it uses less digits than its factorization.

1201304440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4290391 (or 4290387 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1201304440 is about 34659.8390071275. The cubic root of 1201304440 is about 1063.0434781755.

Adding to 1201304440 its reverse (444031021), we get a palindrome (1645335461).

The spelling of 1201304440 in words is "one billion, two hundred one million, three hundred four thousand, four hundred forty".