142124041 has 8 divisors (see below), whose sum is σ = 147673800. Its totient is φ = 136617600.

The previous prime is 142124039. The next prime is 142124071. The reversal of 142124041 is 140421241.

It can be written as a sum of positive squares in 4 ways, for example, as 34047225 + 108076816 = 5835^2 + 10396^2 .

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 142124041 - 2¹ = 142124039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142124071) 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, 4060 + ... + 17341.

It is an arithmetic number, because the mean of its divisors is an integer number (18459225).

Almost surely, 2^142124041 is an apocalyptic number.

It is an amenable number.

142124041 is a deficient number, since it is larger than the sum of its proper divisors (5549759).

142124041 is a wasteful number, since it uses less digits than its factorization.

142124041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21659.

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

The square root of 142124041 is about 11921.5787964514. The cubic root of 142124041 is about 521.8622099773.

Adding to 142124041 its reverse (140421241), we get a palindrome (282545282).

The spelling of 142124041 in words is "one hundred forty-two million, one hundred twenty-four thousand, forty-one".