1078491530 has 16 divisors (see below), whose sum is σ = 1949766120. Its totient is φ = 429511872.

The previous prime is 1078491517. The next prime is 1078491539. The reversal of 1078491530 is 351948701.

It can be written as a sum of positive squares in 4 ways, for example, as 1050602569 + 27888961 = 32413^2 + 5281^2 .

It is not an unprimeable number, because it can be changed into a prime (1078491539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233189 + ... + 237768.

Almost surely, 2^1078491530 is an apocalyptic number.

1078491530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1078491530 is a deficient number, since it is larger than the sum of its proper divisors (871274590).

1078491530 is a wasteful number, since it uses less digits than its factorization.

1078491530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471193.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 1078491530 is about 32840.3947905624. The cubic root of 1078491530 is about 1025.5076699910.

The spelling of 1078491530 in words is "one billion, seventy-eight million, four hundred ninety-one thousand, five hundred thirty".