141125821 has 4 divisors (see below), whose sum is σ = 141197472. Its totient is φ = 141054172.

The previous prime is 141125783. The next prime is 141125833. The reversal of 141125821 is 128521141.

141125821 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 141125821 - 2⁷ = 141125693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141125921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32785 + ... + 36838.

It is an arithmetic number, because the mean of its divisors is an integer number (35299368).

Almost surely, 2^141125821 is an apocalyptic number.

It is an amenable number.

141125821 is a deficient number, since it is larger than the sum of its proper divisors (71651).

141125821 is an equidigital number, since it uses as much as digits as its factorization.

141125821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71650.

The product of its digits is 640, while the sum is 25.

The square root of 141125821 is about 11879.6389254893. The cubic root of 141125821 is about 520.6375574861.

Adding to 141125821 its reverse (128521141), we get a palindrome (269646962).

The spelling of 141125821 in words is "one hundred forty-one million, one hundred twenty-five thousand, eight hundred twenty-one".