122023442 has 18 divisors (see below), whose sum is σ = 187327413. Its totient is φ = 59613552.

The previous prime is 122023423. The next prime is 122023457. The reversal of 122023442 is 244320221.

It can be written as a sum of positive squares in 2 ways, for example, as 121462441 + 561001 = 11021^2 + 749^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=7811.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1140353 + ... + 1140459.

Almost surely, 2^122023442 is an apocalyptic number.

122023442 is a deficient number, since it is larger than the sum of its proper divisors (65303971).

122023442 is an frugal number, since it uses more digits than its factorization.

122023442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362 (or 182 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 122023442 is about 11046.4221356962. The cubic root of 122023442 is about 495.9993306659. Note that the first 3 decimals are identical.

Adding to 122023442 its reverse (244320221), we get a palindrome (366343663).

The spelling of 122023442 in words is "one hundred twenty-two million, twenty-three thousand, four hundred forty-two".