122401443 has 4 divisors (see below), whose sum is σ = 163201928. Its totient is φ = 81600960.

The previous prime is 122401421. The next prime is 122401451. The reversal of 122401443 is 344104221.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 122401443 - 2⁶ = 122401379 is a prime.

It is a super-2 number, since 2×122401443² = 29964226496964498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122401403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20400238 + ... + 20400243.

It is an arithmetic number, because the mean of its divisors is an integer number (40800482).

Almost surely, 2^122401443 is an apocalyptic number.

122401443 is a deficient number, since it is larger than the sum of its proper divisors (40800485).

122401443 is an equidigital number, since it uses as much as digits as its factorization.

122401443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40800484.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 122401443 is about 11063.5185632781. The cubic root of 122401443 is about 496.5109672654.

Adding to 122401443 its reverse (344104221), we get a palindrome (466505664).

The spelling of 122401443 in words is "one hundred twenty-two million, four hundred one thousand, four hundred forty-three".