1025768 has 8 divisors (see below), whose sum is σ = 1923330. Its totient is φ = 512880.

The previous prime is 1025767. The next prime is 1025789. The reversal of 1025768 is 8675201.

It can be written as a sum of positive squares in only one way, i.e., 879844 + 145924 = 938^2 + 382^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 1025768.

It is not an unprimeable number, because it can be changed into a prime (1025767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64103 + ... + 64118.

2^1025768 is an apocalyptic number.

It is an amenable number.

1025768 is a deficient number, since it is larger than the sum of its proper divisors (897562).

1025768 is a wasteful number, since it uses less digits than its factorization.

1025768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128227 (or 128223 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 1025768 is about 1012.8020537104. The cubic root of 1025768 is about 100.8516595033.

The spelling of 1025768 in words is "one million, twenty-five thousand, seven hundred sixty-eight".