1078421348 has 6 divisors (see below), whose sum is σ = 1887237366. Its totient is φ = 539210672.

The previous prime is 1078421329. The next prime is 1078421359. The reversal of 1078421348 is 8431248701.

It can be written as a sum of positive squares in only one way, i.e., 1015187044 + 63234304 = 31862^2 + 7952^2 .

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 as a sum of consecutive naturals, namely, 134802665 + ... + 134802672.

It is an arithmetic number, because the mean of its divisors is an integer number (314539561).

Almost surely, 2^1078421348 is an apocalyptic number.

It is an amenable number.

1078421348 is a deficient number, since it is larger than the sum of its proper divisors (808816018).

1078421348 is a wasteful number, since it uses less digits than its factorization.

1078421348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269605341 (or 269605339 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 1078421348 is about 32839.3262415659. The cubic root of 1078421348 is about 1025.4854248030.

The spelling of 1078421348 in words is "one billion, seventy-eight million, four hundred twenty-one thousand, three hundred forty-eight".