121144343 has 2 divisors, whose sum is σ = 121144344. Its totient is φ = 121144342.

The previous prime is 121144337. The next prime is 121144417. The reversal of 121144343 is 343441121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121144343 - 2⁶ = 121144279 is a prime.

It is a super-3 number, since 3×121144343³ (a number of 25 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121144313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60572171 + 60572172.

It is an arithmetic number, because the mean of its divisors is an integer number (60572172).

Almost surely, 2^121144343 is an apocalyptic number.

121144343 is a deficient number, since it is larger than the sum of its proper divisors (1).

121144343 is an equidigital number, since it uses as much as digits as its factorization.

121144343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 23.

The square root of 121144343 is about 11006.5590899245. The cubic root of 121144343 is about 494.8053419557.

Adding to 121144343 its reverse (343441121), we get a palindrome (464585464).

It can be divided in two parts, 1211 and 44343, that added together give a palindrome (45554).

The spelling of 121144343 in words is "one hundred twenty-one million, one hundred forty-four thousand, three hundred forty-three".