122001023 has 4 divisors (see below), whose sum is σ = 122060928. Its totient is φ = 121941120.

The previous prime is 122001013. The next prime is 122001041. The reversal of 122001023 is 320100221.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 122001023 - 2¹⁸ = 121738879 is a prime.

It is a super-2 number, since 2×122001023² = 29768499226093058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122000995 and 122001013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122001013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26786 + ... + 31007.

It is an arithmetic number, because the mean of its divisors is an integer number (30515232).

Almost surely, 2^122001023 is an apocalyptic number.

122001023 is a deficient number, since it is larger than the sum of its proper divisors (59905).

122001023 is an equidigital number, since it uses as much as digits as its factorization.

122001023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59904.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 122001023 is about 11045.4073261243. The cubic root of 122001023 is about 495.9689526504.

Adding to 122001023 its reverse (320100221), we get a palindrome (442101244).

The spelling of 122001023 in words is "one hundred twenty-two million, one thousand, twenty-three".