122120051 has 2 divisors, whose sum is σ = 122120052. Its totient is φ = 122120050.

The previous prime is 122120023. The next prime is 122120069. The reversal of 122120051 is 150021221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122120051 - 2¹⁸ = 121857907 is a prime.

It is not a weakly prime, because it can be changed into another prime (122120081) 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, 61060025 + 61060026.

It is an arithmetic number, because the mean of its divisors is an integer number (61060026).

Almost surely, 2^122120051 is an apocalyptic number.

122120051 is a deficient number, since it is larger than the sum of its proper divisors (1).

122120051 is an equidigital number, since it uses as much as digits as its factorization.

122120051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 122120051 is about 11050.7941343598. The cubic root of 122120051 is about 496.1301944796.

Adding to 122120051 its reverse (150021221), we get a palindrome (272141272).

The spelling of 122120051 in words is "one hundred twenty-two million, one hundred twenty thousand, fifty-one".