122955829 has 2 divisors, whose sum is σ = 122955830. Its totient is φ = 122955828.

The previous prime is 122955817. The next prime is 122955851. The reversal of 122955829 is 928559221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116143729 + 6812100 = 10777^2 + 2610^2 .

It is a cyclic number.

It is not a de Polignac number, because 122955829 - 2⁹ = 122955317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122955869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61477914 + 61477915.

It is an arithmetic number, because the mean of its divisors is an integer number (61477915).

Almost surely, 2^122955829 is an apocalyptic number.

It is an amenable number.

122955829 is a deficient number, since it is larger than the sum of its proper divisors (1).

122955829 is an equidigital number, since it uses as much as digits as its factorization.

122955829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 43.

The square root of 122955829 is about 11088.5449451224. The cubic root of 122955829 is about 497.2594448258.

The spelling of 122955829 in words is "one hundred twenty-two million, nine hundred fifty-five thousand, eight hundred twenty-nine".