122438295 has 24 divisors (see below), whose sum is σ = 242545056. Its totient is φ = 55971648.

The previous prime is 122438219. The next prime is 122438297. The reversal of 122438295 is 592834221.

It is a happy number.

It is not a de Polignac number, because 122438295 - 2¹⁸ = 122176151 is a prime.

It is a super-2 number, since 2×122438295² = 29982272165014050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122438297) 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 in 23 ways as a sum of consecutive naturals, for example, 194032 + ... + 194661.

It is an arithmetic number, because the mean of its divisors is an integer number (10106044).

Almost surely, 2^122438295 is an apocalyptic number.

122438295 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122438295 is a deficient number, since it is larger than the sum of its proper divisors (120106761).

122438295 is a wasteful number, since it uses less digits than its factorization.

122438295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388711 (or 388708 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 122438295 is about 11065.1839117115. The cubic root of 122438295 is about 496.5607912591.

The spelling of 122438295 in words is "one hundred twenty-two million, four hundred thirty-eight thousand, two hundred ninety-five".