38736121 has 2 divisors, whose sum is σ = 38736122. Its totient is φ = 38736120.

The previous prime is 38736101. The next prime is 38736127. The reversal of 38736121 is 12163783.

38736121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19900521 + 18835600 = 4461^2 + 4340^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38736121 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38736127) 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 as a sum of consecutive naturals, namely, 19368060 + 19368061.

It is an arithmetic number, because the mean of its divisors is an integer number (19368061).

Almost surely, 2^38736121 is an apocalyptic number.

It is an amenable number.

38736121 is a deficient number, since it is larger than the sum of its proper divisors (1).

38736121 is an equidigital number, since it uses as much as digits as its factorization.

38736121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 31.

The square root of 38736121 is about 6223.8349110496. The cubic root of 38736121 is about 338.3545670599.

The spelling of 38736121 in words is "thirty-eight million, seven hundred thirty-six thousand, one hundred twenty-one".