123221841 has 16 divisors (see below), whose sum is σ = 170405760. Its totient is φ = 79107840.

The previous prime is 123221837. The next prime is 123221843. The reversal of 123221841 is 148122321.

It is not a de Polignac number, because 123221841 - 2² = 123221837 is a prime.

It is not an unprimeable number, because it can be changed into a prime (123221843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36036 + ... + 39306.

It is an arithmetic number, because the mean of its divisors is an integer number (10650360).

Almost surely, 2^123221841 is an apocalyptic number.

It is an amenable number.

123221841 is a deficient number, since it is larger than the sum of its proper divisors (47183919).

123221841 is a wasteful number, since it uses less digits than its factorization.

123221841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3736.

The product of its digits is 768, while the sum is 24.

The square root of 123221841 is about 11100.5333655640. The cubic root of 123221841 is about 497.6177895048.

The spelling of 123221841 in words is "one hundred twenty-three million, two hundred twenty-one thousand, eight hundred forty-one".