1078688142 has 24 divisors (see below), whose sum is σ = 2671037616. Its totient is φ = 308196576.

The previous prime is 1078688123. The next prime is 1078688243. The reversal of 1078688142 is 2418868701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4280383 + ... + 4280634.

It is an arithmetic number, because the mean of its divisors is an integer number (111293234).

Almost surely, 2^1078688142 is an apocalyptic number.

1078688142 is an abundant number, since it is smaller than the sum of its proper divisors (1592349474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1078688142 is a wasteful number, since it uses less digits than its factorization.

1078688142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8561032 (or 8561029 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 45.

The square root of 1078688142 is about 32843.3881017169. The cubic root of 1078688142 is about 1025.5699838363.

The spelling of 1078688142 in words is "one billion, seventy-eight million, six hundred eighty-eight thousand, one hundred forty-two".