122955949 has 2 divisors, whose sum is σ = 122955950. Its totient is φ = 122955948.

The previous prime is 122955929. The next prime is 122955971. The reversal of 122955949 is 949559221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87553449 + 35402500 = 9357^2 + 5950^2 .

It is a cyclic number.

It is not a de Polignac number, because 122955949 - 2¹⁵ = 122923181 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122955899 and 122955908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122955929) 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, 61477974 + 61477975.

It is an arithmetic number, because the mean of its divisors is an integer number (61477975).

Almost surely, 2^122955949 is an apocalyptic number.

It is an amenable number.

122955949 is a deficient number, since it is larger than the sum of its proper divisors (1).

122955949 is an equidigital number, since it uses as much as digits as its factorization.

122955949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 291600, while the sum is 46.

The square root of 122955949 is about 11088.5503561106. The cubic root of 122955949 is about 497.2596065942.

It can be divided in two parts, 122955 and 949, that added together give a square (123904 = 352²).

The spelling of 122955949 in words is "one hundred twenty-two million, nine hundred fifty-five thousand, nine hundred forty-nine".