142122441 has 16 divisors (see below), whose sum is σ = 195269760. Its totient is φ = 91889280.

The previous prime is 142122437. The next prime is 142122457. The reversal of 142122441 is 144221241.

142122441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142122441 - 2² = 142122437 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142122341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17940 + ... + 24618.

It is an arithmetic number, because the mean of its divisors is an integer number (12204360).

Almost surely, 2^142122441 is an apocalyptic number.

It is an amenable number.

142122441 is a deficient number, since it is larger than the sum of its proper divisors (53147319).

142122441 is a wasteful number, since it uses less digits than its factorization.

142122441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6896.

The product of its digits is 512, while the sum is 21.

The square root of 142122441 is about 11921.5116910566. The cubic root of 142122441 is about 521.8602516348.

Adding to 142122441 its reverse (144221241), we get a palindrome (286343682).

It can be divided in two parts, 14212 and 2441, that added together give a triangular number (16653 = T₁₈₂).

The spelling of 142122441 in words is "one hundred forty-two million, one hundred twenty-two thousand, four hundred forty-one".