122040242 has 8 divisors (see below), whose sum is σ = 188965632. Its totient is φ = 59051700.

The previous prime is 122040221. The next prime is 122040251. The reversal of 122040242 is 242040221.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 122040242.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 984134 + ... + 984257.

It is an arithmetic number, because the mean of its divisors is an integer number (23620704).

Almost surely, 2^122040242 is an apocalyptic number.

122040242 is a deficient number, since it is larger than the sum of its proper divisors (66925390).

122040242 is a wasteful number, since it uses less digits than its factorization.

122040242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1968424.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 122040242 is about 11047.1825367376. The cubic root of 122040242 is about 496.0220924299.

Adding to 122040242 its reverse (242040221), we get a palindrome (364080463).

The spelling of 122040242 in words is "one hundred twenty-two million, forty thousand, two hundred forty-two".