122938340 has 24 divisors (see below), whose sum is σ = 295052352. Its totient is φ = 42150240.

The previous prime is 122938331. The next prime is 122938357. The reversal of 122938340 is 43839221.

It is a happy number.

It is a super-2 number, since 2×122938340² = 30227670883911200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122938297 and 122938306.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 438926 + ... + 439205.

It is an arithmetic number, because the mean of its divisors is an integer number (12293848).

Almost surely, 2^122938340 is an apocalyptic number.

122938340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122938340 is an abundant number, since it is smaller than the sum of its proper divisors (172114012).

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

122938340 is a wasteful number, since it uses less digits than its factorization.

122938340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878147 (or 878145 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 122938340 is about 11087.7563104534. The cubic root of 122938340 is about 497.2358672997.

The spelling of 122938340 in words is "one hundred twenty-two million, nine hundred thirty-eight thousand, three hundred forty".