122142041 has 4 divisors (see below), whose sum is σ = 139590912. Its totient is φ = 104693172.

The previous prime is 122142037. The next prime is 122142047. The reversal of 122142041 is 140241221.

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.

It is a cyclic number.

It is not a de Polignac number, because 122142041 - 2² = 122142037 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122142047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8724425 + ... + 8724438.

It is an arithmetic number, because the mean of its divisors is an integer number (34897728).

Almost surely, 2^122142041 is an apocalyptic number.

It is an amenable number.

122142041 is a deficient number, since it is larger than the sum of its proper divisors (17448871).

122142041 is an equidigital number, since it uses as much as digits as its factorization.

122142041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17448870.

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

The square root of 122142041 is about 11051.7890406938. The cubic root of 122142041 is about 496.1599718670.

Adding to 122142041 its reverse (140241221), we get a palindrome (262383262).

The spelling of 122142041 in words is "one hundred twenty-two million, one hundred forty-two thousand, forty-one".