1071378 has 48 divisors (see below), whose sum is σ = 2897856. Its totient is φ = 277920.

The previous prime is 1071377. The next prime is 1071379. The reversal of 1071378 is 8731701.

It is an interprime number because it is at equal distance from previous prime (1071377) and next prime (1071379).

It is a super-2 number, since 2×1071378² = 2295701637768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1071373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1000 + ... + 1772.

It is an arithmetic number, because the mean of its divisors is an integer number (60372).

2^1071378 is an apocalyptic number.

1071378 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1071378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1448928).

1071378 is an abundant number, since it is smaller than the sum of its proper divisors (1826478).

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

1071378 is a wasteful number, since it uses less digits than its factorization.

1071378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799 (or 796 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 27.

The square root of 1071378 is about 1035.0739104045. The cubic root of 1071378 is about 102.3248008485.

It can be divided in two parts, 107 and 1378, that added together give a triangular number (1485 = T₅₄).

The spelling of 1071378 in words is "one million, seventy-one thousand, three hundred seventy-eight".