141145121 has 8 divisors (see below), whose sum is σ = 156111144. Its totient is φ = 126766080.

The previous prime is 141145097. The next prime is 141145127. The reversal of 141145121 is 121541141.

It can be written as a sum of positive squares in 4 ways, for example, as 26419600 + 114725521 = 5140^2 + 10711^2 .

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 141145121 - 2¹⁰ = 141144097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 141145093 and 141145102.

It is not an unprimeable number, because it can be changed into a prime (141145127) 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 in 7 ways as a sum of consecutive naturals, for example, 146240 + ... + 147201.

It is an arithmetic number, because the mean of its divisors is an integer number (19513893).

Almost surely, 2^141145121 is an apocalyptic number.

It is an amenable number.

141145121 is a deficient number, since it is larger than the sum of its proper divisors (14966023).

141145121 is a wasteful number, since it uses less digits than its factorization.

141145121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293491.

The product of its digits is 160, while the sum is 20.

The square root of 141145121 is about 11880.4512119700. The cubic root of 141145121 is about 520.6612900834.

Adding to 141145121 its reverse (121541141), we get a palindrome (262686262).

The spelling of 141145121 in words is "one hundred forty-one million, one hundred forty-five thousand, one hundred twenty-one".