122343021 has 32 divisors (see below), whose sum is σ = 186355200. Its totient is φ = 79289280.

The previous prime is 122343007. The next prime is 122343043. The reversal of 122343021 is 120343221.

It is not a de Polignac number, because 122343021 - 2¹⁴ = 122326637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122342985 and 122343003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122343061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 290391 + ... + 290811.

It is an arithmetic number, because the mean of its divisors is an integer number (5823600).

Almost surely, 2^122343021 is an apocalyptic number.

It is an amenable number.

122343021 is a deficient number, since it is larger than the sum of its proper divisors (64012179).

122343021 is a wasteful number, since it uses less digits than its factorization.

122343021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706 (or 700 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 122343021 is about 11060.8779488791. The cubic root of 122343021 is about 496.4319600815.

Adding to 122343021 its reverse (120343221), we get a palindrome (242686242).

It can be divided in two parts, 1223 and 43021, that added together give a palindrome (44244).

The spelling of 122343021 in words is "one hundred twenty-two million, three hundred forty-three thousand, twenty-one".