122032121 has 4 divisors (see below), whose sum is σ = 122054244. Its totient is φ = 122010000.

The previous prime is 122032093. The next prime is 122032123. The reversal of 122032121 is 121230221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 20748025 + 101284096 = 4555^2 + 10064^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122032121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122032096 and 122032105.

It is not an unprimeable number, because it can be changed into a prime (122032123) 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, 4691 + ... + 16311.

It is an arithmetic number, because the mean of its divisors is an integer number (30513561).

Almost surely, 2^122032121 is an apocalyptic number.

It is an amenable number.

122032121 is a deficient number, since it is larger than the sum of its proper divisors (22123).

122032121 is a wasteful number, since it uses less digits than its factorization.

122032121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22122.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 122032121 is about 11046.8149708411. The cubic root of 122032121 is about 496.0110898166.

Adding to 122032121 its reverse (121230221), we get a palindrome (243262342).

The spelling of 122032121 in words is "one hundred twenty-two million, thirty-two thousand, one hundred twenty-one".