141042421 has 8 divisors (see below), whose sum is σ = 160826904. Its totient is φ = 122534400.

The previous prime is 141042401. The next prime is 141042427. The reversal of 141042421 is 124240141.

It can be written as a sum of positive squares in 4 ways, for example, as 16719921 + 124322500 = 4089^2 + 11150^2 .

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 141042421 - 2¹⁵ = 141009653 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 (141042427) 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, 318880 + ... + 319321.

It is an arithmetic number, because the mean of its divisors is an integer number (20103363).

Almost surely, 2^141042421 is an apocalyptic number.

It is an amenable number.

141042421 is a deficient number, since it is larger than the sum of its proper divisors (19784483).

141042421 is a wasteful number, since it uses less digits than its factorization.

141042421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638231.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 141042421 is about 11876.1281990386. The cubic root of 141042421 is about 520.5349782694.

Adding to 141042421 its reverse (124240141), we get a palindrome (265282562).

The spelling of 141042421 in words is "one hundred forty-one million, forty-two thousand, four hundred twenty-one".