1122378 has 16 divisors (see below), whose sum is σ = 2256096. Its totient is φ = 372240.

The previous prime is 1122371. The next prime is 1122389. The reversal of 1122378 is 8732211.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1122371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1368 + ... + 2028.

It is an arithmetic number, because the mean of its divisors is an integer number (141006).

2^1122378 is an apocalyptic number.

1122378 is an abundant number, since it is smaller than the sum of its proper divisors (1133718).

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

1122378 is a wasteful number, since it uses less digits than its factorization.

1122378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949.

The product of its digits is 672, while the sum is 24.

The square root of 1122378 is about 1059.4234280966. The cubic root of 1122378 is about 103.9233285983.

Adding to 1122378 its reverse (8732211), we get a palindrome (9854589).

The spelling of 1122378 in words is "one million, one hundred twenty-two thousand, three hundred seventy-eight".