1078389052 has 24 divisors (see below), whose sum is σ = 2081922192. Its totient is φ = 485577600.

The previous prime is 1078389047. The next prime is 1078389071. The reversal of 1078389052 is 2509838701.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250774 + ... + 255037.

It is an arithmetic number, because the mean of its divisors is an integer number (86746758).

Almost surely, 2^1078389052 is an apocalyptic number.

It is an amenable number.

1078389052 is a deficient number, since it is larger than the sum of its proper divisors (1003533140).

1078389052 is a wasteful number, since it uses less digits than its factorization.

1078389052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505869 (or 505867 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 1078389052 is about 32838.8345103781. The cubic root of 1078389052 is about 1025.4751878000.

The spelling of 1078389052 in words is "one billion, seventy-eight million, three hundred eighty-nine thousand, fifty-two".