141240621 has 16 divisors (see below), whose sum is σ = 190644480. Its totient is φ = 93004800.

The previous prime is 141240611. The next prime is 141240629. The reversal of 141240621 is 126042141.

It is a happy number.

It is not a de Polignac number, because 141240621 - 2²⁷ = 7022893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141240629) 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 15 ways as a sum of consecutive naturals, for example, 135420 + ... + 136458.

It is an arithmetic number, because the mean of its divisors is an integer number (11915280).

Almost surely, 2^141240621 is an apocalyptic number.

It is an amenable number.

141240621 is a deficient number, since it is larger than the sum of its proper divisors (49403859).

141240621 is a wasteful number, since it uses less digits than its factorization.

141240621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1556.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 141240621 is about 11884.4697399590. The cubic root of 141240621 is about 520.7786915746.

Adding to 141240621 its reverse (126042141), we get a palindrome (267282762).

The spelling of 141240621 in words is "one hundred forty-one million, two hundred forty thousand, six hundred twenty-one".