1081374001 has 4 divisors (see below), whose sum is σ = 1081483812. Its totient is φ = 1081264192.

The previous prime is 1081373977. The next prime is 1081374043. The reversal of 1081374001 is 1004731801.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 972192400 + 109181601 = 31180^2 + 10449^2 .

It is a cyclic number.

It is not a de Polignac number, because 1081374001 - 2⁷ = 1081373873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1081374061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38500 + ... + 60373.

It is an arithmetic number, because the mean of its divisors is an integer number (270370953).

Almost surely, 2^1081374001 is an apocalyptic number.

It is an amenable number.

1081374001 is a deficient number, since it is larger than the sum of its proper divisors (109811).

1081374001 is an equidigital number, since it uses as much as digits as its factorization.

1081374001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109810.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 1081374001 is about 32884.2515651489. The cubic root of 1081374001 is about 1026.4204778204.

The spelling of 1081374001 in words is "one billion, eighty-one million, three hundred seventy-four thousand, one".