122146938 has 24 divisors (see below), whose sum is σ = 280220148. Its totient is φ = 38320512.

The previous prime is 122146907. The next prime is 122146939. The reversal of 122146938 is 839641221.

It can be written as a sum of positive squares in 2 ways, for example, as 117874449 + 4272489 = 10857^2 + 2067^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (122146939) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 199281 + ... + 199892.

Almost surely, 2^122146938 is an apocalyptic number.

122146938 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

122146938 is an abundant number, since it is smaller than the sum of its proper divisors (158073210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122146938 is a wasteful number, since it uses less digits than its factorization.

122146938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399198 (or 399195 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 122146938 is about 11052.0105863141. The cubic root of 122146938 is about 496.1666025703.

The spelling of 122146938 in words is "one hundred twenty-two million, one hundred forty-six thousand, nine hundred thirty-eight".