938376121 has 2 divisors, whose sum is σ = 938376122. Its totient is φ = 938376120.

The previous prime is 938376119. The next prime is 938376137. The reversal of 938376121 is 121673839.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 784616121 + 153760000 = 28011^2 + 12400^2 .

It is a cyclic number.

It is not a de Polignac number, because 938376121 - 2¹ = 938376119 is a prime.

Together with 938376119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (938376151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 469188060 + 469188061.

It is an arithmetic number, because the mean of its divisors is an integer number (469188061).

Almost surely, 2^938376121 is an apocalyptic number.

It is an amenable number.

938376121 is a deficient number, since it is larger than the sum of its proper divisors (1).

938376121 is an equidigital number, since it uses as much as digits as its factorization.

938376121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 40.

The square root of 938376121 is about 30632.9254397944. The cubic root of 938376121 is about 979.0216951687.

The spelling of 938376121 in words is "nine hundred thirty-eight million, three hundred seventy-six thousand, one hundred twenty-one".