1081342001 has 8 divisors (see below), whose sum is σ = 1146748104. Its totient is φ = 1016135680.

The previous prime is 1081341997. The next prime is 1081342007. The reversal of 1081342001 is 1002431801.

It can be written as a sum of positive squares in 4 ways, for example, as 187032976 + 894309025 = 13676^2 + 29905^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1081342001 - 2² = 1081341997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1081342007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38720 + ... + 60513.

It is an arithmetic number, because the mean of its divisors is an integer number (143343513).

Almost surely, 2^1081342001 is an apocalyptic number.

It is an amenable number.

1081342001 is a deficient number, since it is larger than the sum of its proper divisors (65406103).

1081342001 is an equidigital number, since it uses as much as digits as its factorization.

1081342001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99891.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 1081342001 is about 32883.7650064587. The cubic root of 1081342001 is about 1026.4103531151.

Adding to 1081342001 its reverse (1002431801), we get a palindrome (2083773802).

The spelling of 1081342001 in words is "one billion, eighty-one million, three hundred forty-two thousand, one".