1025294668 has 6 divisors (see below), whose sum is σ = 1794265676. Its totient is φ = 512647332.

The previous prime is 1025294659. The next prime is 1025294689. The reversal of 1025294668 is 8664925201.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128161830 + ... + 128161837.

Almost surely, 2^1025294668 is an apocalyptic number.

It is an amenable number.

1025294668 is a deficient number, since it is larger than the sum of its proper divisors (768971008).

1025294668 is a wasteful number, since it uses less digits than its factorization.

1025294668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256323671 (or 256323669 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 1025294668 is about 32020.2227974760. Note that the first 3 decimals coincide. The cubic root of 1025294668 is about 1008.3614473382.

The spelling of 1025294668 in words is "one billion, twenty-five million, two hundred ninety-four thousand, six hundred sixty-eight".