620123051 has 2 divisors, whose sum is σ = 620123052. Its totient is φ = 620123050.

The previous prime is 620123027. The next prime is 620123057. The reversal of 620123051 is 150321026.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 620123051 - 2¹⁸ = 619860907 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (620123057) 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, 310061525 + 310061526.

It is an arithmetic number, because the mean of its divisors is an integer number (310061526).

Almost surely, 2^620123051 is an apocalyptic number.

620123051 is a deficient number, since it is larger than the sum of its proper divisors (1).

620123051 is an equidigital number, since it uses as much as digits as its factorization.

620123051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 620123051 is about 24902.2699969300. The cubic root of 620123051 is about 852.7583063284.

Adding to 620123051 its reverse (150321026), we get a palindrome (770444077).

The spelling of 620123051 in words is "six hundred twenty million, one hundred twenty-three thousand, fifty-one".