122044021 has 8 divisors (see below), whose sum is σ = 133568064. Its totient is φ = 110591520.

The previous prime is 122043967. The next prime is 122044031. The reversal of 122044021 is 120440221.

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

It is a cyclic number.

It is not a de Polignac number, because 122044021 - 2⁷ = 122043893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122043986 and 122044004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122044031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14281 + ... + 21166.

It is an arithmetic number, because the mean of its divisors is an integer number (16696008).

Almost surely, 2^122044021 is an apocalyptic number.

122044021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122044021 is a deficient number, since it is larger than the sum of its proper divisors (11524043).

122044021 is a wasteful number, since it uses less digits than its factorization.

122044021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35771.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 122044021 is about 11047.3535744992. The cubic root of 122044021 is about 496.0272121842.

Adding to 122044021 its reverse (120440221), we get a palindrome (242484242).

It can be divided in two parts, 1 and 22044021, that added together give a palindrome (22044022).

The spelling of 122044021 in words is "one hundred twenty-two million, forty-four thousand, twenty-one".