122148863 has 2 divisors, whose sum is σ = 122148864. Its totient is φ = 122148862.

The previous prime is 122148847. The next prime is 122148913. The reversal of 122148863 is 368841221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122148863 - 2⁴ = 122148847 is a prime.

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 (122148163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61074431 + 61074432.

It is an arithmetic number, because the mean of its divisors is an integer number (61074432).

Almost surely, 2^122148863 is an apocalyptic number.

122148863 is a deficient number, since it is larger than the sum of its proper divisors (1).

122148863 is an equidigital number, since it uses as much as digits as its factorization.

122148863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18432, while the sum is 35.

The square root of 122148863 is about 11052.0976741974. The cubic root of 122148863 is about 496.1692090368.

The spelling of 122148863 in words is "one hundred twenty-two million, one hundred forty-eight thousand, eight hundred sixty-three".