1144975 has 18 divisors (see below), whose sum is σ = 1543056. Its totient is φ = 842400.

The previous prime is 1144973. The next prime is 1144981. The reversal of 1144975 is 5794411.

It is not a de Polignac number, because 1144975 - 2¹ = 1144973 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1144973) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 4090 + ... + 4360.

2^1144975 is an apocalyptic number.

1144975 is a deficient number, since it is larger than the sum of its proper divisors (398081).

1144975 is a wasteful number, since it uses less digits than its factorization.

1144975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307 (or 289 counting only the distinct ones).

The product of its digits is 5040, while the sum is 31.

The square root of 1144975 is about 1070.0350461550. The cubic root of 1144975 is about 104.6161342523.

The spelling of 1144975 in words is "one million, one hundred forty-four thousand, nine hundred seventy-five".