141121201 has 4 divisors (see below), whose sum is σ = 151976692. Its totient is φ = 130265712.

The previous prime is 141121187. The next prime is 141121217. The reversal of 141121201 is 102121141.

141121201 = T₄₆₅₃ + T₄₆₅₄ + ... + T₄₆₆₅.

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

It can be written as a sum of positive squares in 2 ways, for example, as 94867600 + 46253601 = 9740^2 + 6801^2 .

It is a cyclic number.

It is not a de Polignac number, because 141121201 - 2⁷ = 141121073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 10855477 = 141121201 / (1 + 4 + 1 + 1 + 2 + 1 + 2 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141121501) 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, 5427726 + ... + 5427751.

It is an arithmetic number, because the mean of its divisors is an integer number (37994173).

Almost surely, 2^141121201 is an apocalyptic number.

It is an amenable number.

141121201 is a deficient number, since it is larger than the sum of its proper divisors (10855491).

141121201 is a wasteful number, since it uses less digits than its factorization.

141121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10855490.

The product of its (nonzero) digits is 16, while the sum is 13.

The square root of 141121201 is about 11879.4444735434. Note that the first 4 decimals coincide. The cubic root of 141121201 is about 520.6318760978.

Adding to 141121201 its reverse (102121141), we get a palindrome (243242342).

The spelling of 141121201 in words is "one hundred forty-one million, one hundred twenty-one thousand, two hundred one".