122020078 has 8 divisors (see below), whose sum is σ = 183088368. Its totient is φ = 60990624.

The previous prime is 122020051. The next prime is 122020079. The reversal of 122020078 is 870020221.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122020079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 150 + ... + 15622.

It is an arithmetic number, because the mean of its divisors is an integer number (22886046).

Almost surely, 2^122020078 is an apocalyptic number.

122020078 is a deficient number, since it is larger than the sum of its proper divisors (61068290).

122020078 is a wasteful number, since it uses less digits than its factorization.

122020078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19418.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 122020078 is about 11046.2698681501. The cubic root of 122020078 is about 495.9947726426.

Adding to 122020078 its reverse (870020221), we get a palindrome (992040299).

The spelling of 122020078 in words is "one hundred twenty-two million, twenty thousand, seventy-eight".