121234031 has 2 divisors, whose sum is σ = 121234032. Its totient is φ = 121234030.

The previous prime is 121234027. The next prime is 121234063. The reversal of 121234031 is 130432121.

It is a weak prime.

It is an emirp because it is prime and its reverse (130432121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121234031 - 2² = 121234027 is a prime.

It is a super-2 number, since 2×121234031² = 29395380545017922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121231031) 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 as a sum of consecutive naturals, namely, 60617015 + 60617016.

It is an arithmetic number, because the mean of its divisors is an integer number (60617016).

Almost surely, 2^121234031 is an apocalyptic number.

121234031 is a deficient number, since it is larger than the sum of its proper divisors (1).

121234031 is an equidigital number, since it uses as much as digits as its factorization.

121234031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 121234031 is about 11010.6326339589. The cubic root of 121234031 is about 494.9274198927.

Adding to 121234031 its reverse (130432121), we get a palindrome (251666152).

The spelling of 121234031 in words is "one hundred twenty-one million, two hundred thirty-four thousand, thirty-one".