1081319 has 4 divisors (see below), whose sum is σ = 1144944. Its totient is φ = 1017696.

The previous prime is 1081307. The next prime is 1081331. The reversal of 1081319 is 9131801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9131801 = 7 ⋅1304543.

It is an interprime number because it is at equal distance from previous prime (1081307) and next prime (1081331).

It is a cyclic number.

It is not a de Polignac number, because 1081319 - 2⁴ = 1081303 is a prime.

It is a super-2 number, since 2×1081319² = 2338501559522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1081294 and 1081303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31787 + ... + 31820.

It is an arithmetic number, because the mean of its divisors is an integer number (286236).

2^1081319 is an apocalyptic number.

1081319 is a deficient number, since it is larger than the sum of its proper divisors (63625).

1081319 is an equidigital number, since it uses as much as digits as its factorization.

1081319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63624.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 1081319 is about 1039.8648950705. The cubic root of 1081319 is about 102.6403075543.

The spelling of 1081319 in words is "one million, eighty-one thousand, three hundred nineteen".