141020801 has 4 divisors (see below), whose sum is σ = 144832212. Its totient is φ = 137209392.

The previous prime is 141020791. The next prime is 141020807. The reversal of 141020801 is 108020141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 108020141 = 1487 ⋅72643.

It can be written as a sum of positive squares in 2 ways, for example, as 121528576 + 19492225 = 11024^2 + 4415^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-141020801 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 141020801.

It is not an unprimeable number, because it can be changed into a prime (141020807) 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, 1905650 + ... + 1905723.

It is an arithmetic number, because the mean of its divisors is an integer number (36208053).

Almost surely, 2^141020801 is an apocalyptic number.

It is an amenable number.

141020801 is a deficient number, since it is larger than the sum of its proper divisors (3811411).

141020801 is an equidigital number, since it uses as much as digits as its factorization.

141020801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3811410.

The product of its (nonzero) digits is 64, while the sum is 17.

The square root of 141020801 is about 11875.2179348423. The cubic root of 141020801 is about 520.5083797912.

Adding to 141020801 its reverse (108020141), we get a palindrome (249040942).

The spelling of 141020801 in words is "one hundred forty-one million, twenty thousand, eight hundred one".