4122121142 has 8 divisors (see below), whose sum is σ = 6187845216. Its totient is φ = 2059506072.

The previous prime is 4122121127. The next prime is 4122121153. The reversal of 4122121142 is 2411212214.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 773933 + ... + 779240.

It is an arithmetic number, because the mean of its divisors is an integer number (773480652).

Almost surely, 2^4122121142 is an apocalyptic number.

4122121142 is a deficient number, since it is larger than the sum of its proper divisors (2065724074).

4122121142 is a wasteful number, since it uses less digits than its factorization.

4122121142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1554502.

The product of its digits is 256, while the sum is 20.

The square root of 4122121142 is about 64203.7471024862. The cubic root of 4122121142 is about 1603.3939858117.

Adding to 4122121142 its reverse (2411212214), we get a palindrome (6533333356).

The spelling of 4122121142 in words is "four billion, one hundred twenty-two million, one hundred twenty-one thousand, one hundred forty-two".