122021033 has 4 divisors (see below), whose sum is σ = 123692628. Its totient is φ = 120349440.

The previous prime is 122020979. The next prime is 122021041. The reversal of 122021033 is 330120221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 330120221 = 1543 ⋅213947.

It can be written as a sum of positive squares in 2 ways, for example, as 100240144 + 21780889 = 10012^2 + 4667^2 .

It is a cyclic number.

It is not a de Polignac number, because 122021033 - 2²² = 117826729 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 122020999 and 122021017.

It is not an unprimeable number, because it can be changed into a prime (122021063) 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, 835688 + ... + 835833.

It is an arithmetic number, because the mean of its divisors is an integer number (30923157).

Almost surely, 2^122021033 is an apocalyptic number.

It is an amenable number.

122021033 is a deficient number, since it is larger than the sum of its proper divisors (1671595).

122021033 is an equidigital number, since it uses as much as digits as its factorization.

122021033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671594.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 122021033 is about 11046.3130953273. The cubic root of 122021033 is about 495.9960666203.

Adding to 122021033 its reverse (330120221), we get a palindrome (452141254).

The spelling of 122021033 in words is "one hundred twenty-two million, twenty-one thousand, thirty-three".