1201140441 has 32 divisors (see below), whose sum is σ = 1818685440. Its totient is φ = 783291600.

The previous prime is 1201140403. The next prime is 1201140443. The reversal of 1201140441 is 1440411021.

It is not a de Polignac number, because 1201140441 - 2⁷ = 1201140313 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1201140443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 248736 + ... + 253518.

It is an arithmetic number, because the mean of its divisors is an integer number (56833920).

Almost surely, 2^1201140441 is an apocalyptic number.

It is an amenable number.

1201140441 is a deficient number, since it is larger than the sum of its proper divisors (617544999).

1201140441 is a wasteful number, since it uses less digits than its factorization.

1201140441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4994 (or 4988 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1201140441 is about 34657.4730902298. The cubic root of 1201140441 is about 1062.9951013180.

Adding to 1201140441 its reverse (1440411021), we get a palindrome (2641551462).

The spelling of 1201140441 in words is "one billion, two hundred one million, one hundred forty thousand, four hundred forty-one".