1043530978 has 16 divisors (see below), whose sum is σ = 1798908480. Its totient is φ = 444728016.

The previous prime is 1043530973. The next prime is 1043530993. The reversal of 1043530978 is 8790353401.

It is a self number, because there is not a number n which added to its sum of digits gives 1043530978.

It is not an unprimeable number, because it can be changed into a prime (1043530973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205701 + ... + 210712.

It is an arithmetic number, because the mean of its divisors is an integer number (112431780).

Almost surely, 2^1043530978 is an apocalyptic number.

1043530978 is a deficient number, since it is larger than the sum of its proper divisors (755377502).

1043530978 is a wasteful number, since it uses less digits than its factorization.

1043530978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416601.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 1043530978 is about 32303.7300942167. The cubic root of 1043530978 is about 1014.3047251365.

The spelling of 1043530978 in words is "one billion, forty-three million, five hundred thirty thousand, nine hundred seventy-eight".