1381078 has 8 divisors (see below), whose sum is σ = 2098080. Its totient is φ = 681720.

The previous prime is 1381069. The next prime is 1381103. The reversal of 1381078 is 8701831.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4213 + ... + 4528.

It is an arithmetic number, because the mean of its divisors is an integer number (262260).

2^1381078 is an apocalyptic number.

1381078 is a deficient number, since it is larger than the sum of its proper divisors (717002).

1381078 is an equidigital number, since it uses as much as digits as its factorization.

1381078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8822.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 1381078 is about 1175.1927501478. The cubic root of 1381078 is about 111.3626103776.

The spelling of 1381078 in words is "one million, three hundred eighty-one thousand, seventy-eight".