38980121 has 2 divisors, whose sum is σ = 38980122. Its totient is φ = 38980120.

The previous prime is 38980093. The next prime is 38980169. The reversal of 38980121 is 12108983.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25000000 + 13980121 = 5000^2 + 3739^2 .

It is a cyclic number.

It is not a de Polignac number, because 38980121 - 2¹⁰ = 38979097 is a prime.

It is not a weakly prime, because it can be changed into another prime (38980181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19490060 + 19490061.

It is an arithmetic number, because the mean of its divisors is an integer number (19490061).

Almost surely, 2^38980121 is an apocalyptic number.

It is an amenable number.

38980121 is a deficient number, since it is larger than the sum of its proper divisors (1).

38980121 is an equidigital number, since it uses as much as digits as its factorization.

38980121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 38980121 is about 6243.4062017460. The cubic root of 38980121 is about 339.0635157975.

The spelling of 38980121 in words is "thirty-eight million, nine hundred eighty thousand, one hundred twenty-one".