1144025211 has 8 divisors (see below), whose sum is σ = 1743276544. Its totient is φ = 653728680.

The previous prime is 1144025203. The next prime is 1144025231. The reversal of 1144025211 is 1125204411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1144025211 - 2³ = 1144025203 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 54477391 = 1144025211 / (1 + 1 + 4 + 4 + 0 + 2 + 5 + 2 + 1 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144025231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27238675 + ... + 27238716.

It is an arithmetic number, because the mean of its divisors is an integer number (217909568).

Almost surely, 2^1144025211 is an apocalyptic number.

1144025211 is a deficient number, since it is larger than the sum of its proper divisors (599251333).

1144025211 is an equidigital number, since it uses as much as digits as its factorization.

1144025211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54477401.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 1144025211 is about 33823.4417379426. The cubic root of 1144025211 is about 1045.8719890701.

Adding to 1144025211 its reverse (1125204411), we get a palindrome (2269229622).

The spelling of 1144025211 in words is "one billion, one hundred forty-four million, twenty-five thousand, two hundred eleven".