1078131 has 4 divisors (see below), whose sum is σ = 1437512. Its totient is φ = 718752.

The previous prime is 1078127. The next prime is 1078151. The reversal of 1078131 is 1318701.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1318701 = 3 ⋅439567.

It is not a de Polignac number, because 1078131 - 2² = 1078127 is a prime.

It is a super-2 number, since 2×1078131² = 2324732906322, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1078098 and 1078107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1078111) 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 3 ways as a sum of consecutive naturals, for example, 179686 + ... + 179691.

It is an arithmetic number, because the mean of its divisors is an integer number (359378).

2^1078131 is an apocalyptic number.

1078131 is a deficient number, since it is larger than the sum of its proper divisors (359381).

1078131 is an equidigital number, since it uses as much as digits as its factorization.

1078131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359380.

The product of its (nonzero) digits is 168, while the sum is 21.

The square root of 1078131 is about 1038.3308721212. The cubic root of 1078131 is about 102.5393384598.

The spelling of 1078131 in words is "one million, seventy-eight thousand, one hundred thirty-one".