1081174054 has 4 divisors (see below), whose sum is σ = 1621761084. Its totient is φ = 540587026.

The previous prime is 1081174051. The next prime is 1081174091. The reversal of 1081174054 is 4504711801.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081174051) 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 as a sum of consecutive naturals, namely, 270293512 + ... + 270293515.

It is an arithmetic number, because the mean of its divisors is an integer number (405440271).

Almost surely, 2^1081174054 is an apocalyptic number.

1081174054 is a deficient number, since it is larger than the sum of its proper divisors (540587030).

1081174054 is an equidigital number, since it uses as much as digits as its factorization.

1081174054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540587029.

The product of its (nonzero) digits is 4480, while the sum is 31.

The square root of 1081174054 is about 32881.2112611443. The cubic root of 1081174054 is about 1026.3572119058.

Adding to 1081174054 its reverse (4504711801), we get a palindrome (5585885855).

The spelling of 1081174054 in words is "one billion, eighty-one million, one hundred seventy-four thousand, fifty-four".