1081478033 has 4 divisors (see below), whose sum is σ = 1107855588. Its totient is φ = 1055100480.

The previous prime is 1081478017. The next prime is 1081478039. The reversal of 1081478033 is 3308741801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3308741801 = 131 ⋅25257571.

It can be written as a sum of positive squares in 2 ways, for example, as 32171584 + 1049306449 = 5672^2 + 32393^2 .

It is a cyclic number.

It is not a de Polignac number, because 1081478033 - 2⁴ = 1081478017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1081477984 and 1081478002.

It is not an unprimeable number, because it can be changed into a prime (1081478039) 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, 13188716 + ... + 13188797.

It is an arithmetic number, because the mean of its divisors is an integer number (276963897).

Almost surely, 2^1081478033 is an apocalyptic number.

It is an amenable number.

1081478033 is a deficient number, since it is larger than the sum of its proper divisors (26377555).

1081478033 is an equidigital number, since it uses as much as digits as its factorization.

1081478033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26377554.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 1081478033 is about 32885.8333177069. The cubic root of 1081478033 is about 1026.4533918573.

The spelling of 1081478033 in words is "one billion, eighty-one million, four hundred seventy-eight thousand, thirty-three".