122241021 has 32 divisors (see below), whose sum is σ = 195207168. Its totient is φ = 66528000.

The previous prime is 122241017. The next prime is 122241023. The reversal of 122241021 is 120142221.

It is not a de Polignac number, because 122241021 - 2² = 122241017 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122241023) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 162396 + ... + 163146.

It is an arithmetic number, because the mean of its divisors is an integer number (6100224).

Almost surely, 2^122241021 is an apocalyptic number.

It is an amenable number.

122241021 is a deficient number, since it is larger than the sum of its proper divisors (72966147).

122241021 is a wasteful number, since it uses less digits than its factorization.

122241021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 122241021 is about 11056.2661418763. The cubic root of 122241021 is about 496.2939597331.

Adding to 122241021 its reverse (120142221), we get a palindrome (242383242).

The spelling of 122241021 in words is "one hundred twenty-two million, two hundred forty-one thousand, twenty-one".