1025144 has 16 divisors (see below), whose sum is σ = 1939200. Its totient is φ = 508032.

The previous prime is 1025137. The next prime is 1025147. The reversal of 1025144 is 4415201.

1025144 = 62³ + 63³ + ... + 65³.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1025147) 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 3 ways as a sum of consecutive naturals, for example, 512 + ... + 1520.

It is an arithmetic number, because the mean of its divisors is an integer number (121200).

2^1025144 is an apocalyptic number.

It is an amenable number.

1025144 is a deficient number, since it is larger than the sum of its proper divisors (914056).

1025144 is a wasteful number, since it uses less digits than its factorization.

1025144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142 (or 1138 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 1025144 is about 1012.4939505992. The cubic root of 1025144 is about 100.8312051703.

The spelling of 1025144 in words is "one million, twenty-five thousand, one hundred forty-four".