1232202121 has 8 divisors (see below), whose sum is σ = 1246834944. Its totient is φ = 1217617200.

The previous prime is 1232202107. The next prime is 1232202187. The reversal of 1232202121 is 1212022321.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1232202121 - 2¹³ = 1232193929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1232202095 and 1232202104.

It is not an unprimeable number, because it can be changed into a prime (1232202221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41160 + ... + 64486.

It is an arithmetic number, because the mean of its divisors is an integer number (155854368).

Almost surely, 2^1232202121 is an apocalyptic number.

It is an amenable number.

1232202121 is a deficient number, since it is larger than the sum of its proper divisors (14632823).

1232202121 is a wasteful number, since it uses less digits than its factorization.

1232202121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23951.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1232202121 is about 35102.7366596965. The cubic root of 1232202121 is about 1072.0803040129.

Adding to 1232202121 its reverse (1212022321), we get a palindrome (2444224442).

The spelling of 1232202121 in words is "one billion, two hundred thirty-two million, two hundred two thousand, one hundred twenty-one".