1020025144 has 16 divisors (see below), whose sum is σ = 1912930920. Its totient is φ = 509910240.

The previous prime is 1020025117. The next prime is 1020025151. The reversal of 1020025144 is 4415200201.

1020025144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44847 + ... + 63649.

Almost surely, 2^1020025144 is an apocalyptic number.

It is an amenable number.

1020025144 is a deficient number, since it is larger than the sum of its proper divisors (892905776).

1020025144 is a wasteful number, since it uses less digits than its factorization.

1020025144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25590 (or 25586 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 1020025144 is about 31937.8324875061. The cubic root of 1020025144 is about 1006.6309809044.

Adding to 1020025144 its reverse (4415200201), we get a palindrome (5435225345).

It can be divided in two parts, 10200 and 25144, that added together give a square (35344 = 188²).

The spelling of 1020025144 in words is "one billion, twenty million, twenty-five thousand, one hundred forty-four".