1078988361 has 16 divisors (see below), whose sum is σ = 1573490880. Its totient is φ = 652243520.

The previous prime is 1078988347. The next prime is 1078988381. The reversal of 1078988361 is 1638898701.

It is a cyclic number.

It is not a de Polignac number, because 1078988361 - 2⁷ = 1078988233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1078988341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29190 + ... + 54863.

It is an arithmetic number, because the mean of its divisors is an integer number (98343180).

Almost surely, 2^1078988361 is an apocalyptic number.

1078988361 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1078988361 is a deficient number, since it is larger than the sum of its proper divisors (494502519).

1078988361 is a wasteful number, since it uses less digits than its factorization.

1078988361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84456.

The product of its (nonzero) digits is 580608, while the sum is 51.

The square root of 1078988361 is about 32847.9582470509. The cubic root of 1078988361 is about 1025.6651200865.

The spelling of 1078988361 in words is "one billion, seventy-eight million, nine hundred eighty-eight thousand, three hundred sixty-one".