121031233 has 2 divisors, whose sum is σ = 121031234. Its totient is φ = 121031232.

The previous prime is 121031219. The next prime is 121031237. The reversal of 121031233 is 332130121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119093569 + 1937664 = 10913^2 + 1392^2 .

It is a cyclic number.

It is not a de Polignac number, because 121031233 - 2⁵ = 121031201 is a prime.

It is not a weakly prime, because it can be changed into another prime (121031237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60515616 + 60515617.

It is an arithmetic number, because the mean of its divisors is an integer number (60515617).

Almost surely, 2^121031233 is an apocalyptic number.

It is an amenable number.

121031233 is a deficient number, since it is larger than the sum of its proper divisors (1).

121031233 is an equidigital number, since it uses as much as digits as its factorization.

121031233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 121031233 is about 11001.4195902165. The cubic root of 121031233 is about 494.6512974541.

Adding to 121031233 its reverse (332130121), we get a palindrome (453161354).

The spelling of 121031233 in words is "one hundred twenty-one million, thirty-one thousand, two hundred thirty-three".