142122041 has 4 divisors (see below), whose sum is σ = 142147584. Its totient is φ = 142096500.

The previous prime is 142122007. The next prime is 142122047. The reversal of 142122041 is 140221241.

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, and also an emirpimes, since its reverse is a distinct semiprime: 140221241 = 3391 ⋅41351.

It is a cyclic number.

It is not a de Polignac number, because 142122041 - 2⁶ = 142121977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142122047) 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 3 ways as a sum of consecutive naturals, for example, 485 + ... + 16866.

It is an arithmetic number, because the mean of its divisors is an integer number (35536896).

Almost surely, 2^142122041 is an apocalyptic number.

It is an amenable number.

142122041 is a deficient number, since it is larger than the sum of its proper divisors (25543).

142122041 is an equidigital number, since it uses as much as digits as its factorization.

142122041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25542.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 142122041 is about 11921.4949146489. The cubic root of 142122041 is about 521.8597620469.

Adding to 142122041 its reverse (140221241), we get a palindrome (282343282).

The spelling of 142122041 in words is "one hundred forty-two million, one hundred twenty-two thousand, forty-one".