122164747 has 2 divisors, whose sum is σ = 122164748. Its totient is φ = 122164746.

The previous prime is 122164741. The next prime is 122164969. The reversal of 122164747 is 747461221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122164747 - 2³ = 122164739 is a prime.

It is not a weakly prime, because it can be changed into another prime (122164741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61082373 + 61082374.

It is an arithmetic number, because the mean of its divisors is an integer number (61082374).

Almost surely, 2^122164747 is an apocalyptic number.

122164747 is a deficient number, since it is larger than the sum of its proper divisors (1).

122164747 is an equidigital number, since it uses as much as digits as its factorization.

122164747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18816, while the sum is 34.

The square root of 122164747 is about 11052.8162474548. The cubic root of 122164747 is about 496.1907150635.

The spelling of 122164747 in words is "one hundred twenty-two million, one hundred sixty-four thousand, seven hundred forty-seven".