1120078 has 4 divisors (see below), whose sum is σ = 1680120. Its totient is φ = 560038.

The previous prime is 1120073. The next prime is 1120081. The reversal of 1120078 is 8700211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8700211 = 13 ⋅669247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280018 + ... + 280021.

It is an arithmetic number, because the mean of its divisors is an integer number (420030).

2^1120078 is an apocalyptic number.

1120078 is a deficient number, since it is larger than the sum of its proper divisors (560042).

1120078 is an equidigital number, since it uses as much as digits as its factorization.

1120078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560041.

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 1120078 is about 1058.3373753204. The cubic root of 1120078 is about 103.8522927819.

Adding to 1120078 its reverse (8700211), we get a palindrome (9820289).

The spelling of 1120078 in words is "one million, one hundred twenty thousand, seventy-eight".