1144661125 has 16 divisors (see below), whose sum is σ = 1490651136. Its totient is φ = 875912400.

The previous prime is 1144661113. The next prime is 1144661159. The reversal of 1144661125 is 5211664411.

It is not a de Polignac number, because 1144661125 - 2⁵ = 1144661093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196197 + ... + 201946.

It is an arithmetic number, because the mean of its divisors is an integer number (93165696).

Almost surely, 2^1144661125 is an apocalyptic number.

It is an amenable number.

1144661125 is a deficient number, since it is larger than the sum of its proper divisors (345990011).

1144661125 is an equidigital number, since it uses as much as digits as its factorization.

1144661125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398181 (or 398171 counting only the distinct ones).

The product of its digits is 5760, while the sum is 31.

The square root of 1144661125 is about 33832.8409241672. The cubic root of 1144661125 is about 1046.0657381359.

The spelling of 1144661125 in words is "one billion, one hundred forty-four million, six hundred sixty-one thousand, one hundred twenty-five".