1238078 has 16 divisors (see below), whose sum is σ = 2019840. Its totient is φ = 567000.

The previous prime is 1238071. The next prime is 1238087. The reversal of 1238078 is 8708321.

It is a self number, because there is not a number n which added to its sum of digits gives 1238078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1238071) 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, 653 + ... + 1703.

It is an arithmetic number, because the mean of its divisors is an integer number (126240).

2^1238078 is an apocalyptic number.

1238078 is a deficient number, since it is larger than the sum of its proper divisors (781762).

1238078 is a wasteful number, since it uses less digits than its factorization.

1238078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1103.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 1238078 is about 1112.6895344165. The cubic root of 1238078 is about 107.3781709800.

The spelling of 1238078 in words is "one million, two hundred thirty-eight thousand, seventy-eight".