6121223 has 2 divisors, whose sum is σ = 6121224. Its totient is φ = 6121222.

The previous prime is 6121201. The next prime is 6121231. The reversal of 6121223 is 3221216.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6121223 - 2²² = 1926919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6121253) 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, 3060611 + 3060612.

It is an arithmetic number, because the mean of its divisors is an integer number (3060612).

Almost surely, 2^6121223 is an apocalyptic number.

6121223 is a deficient number, since it is larger than the sum of its proper divisors (1).

6121223 is an equidigital number, since it uses as much as digits as its factorization.

6121223 is an odious number, because the sum of its binary digits is odd.

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

The square root of 6121223 is about 2474.1105472472. The cubic root of 6121223 is about 182.9276690669.

Adding to 6121223 its reverse (3221216), we get a palindrome (9342439).

It can be divided in two parts, 612 and 1223, that multiplied together give a triangular number (748476 = T₁₂₂₃).

The spelling of 6121223 in words is "six million, one hundred twenty-one thousand, two hundred twenty-three".