3800010121 has 2 divisors, whose sum is σ = 3800010122. Its totient is φ = 3800010120.

The previous prime is 3800010079. The next prime is 3800010133. The reversal of 3800010121 is 1210100083.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3062072896 + 737937225 = 55336^2 + 27165^2 .

It is a cyclic number.

It is not a de Polignac number, because 3800010121 - 2¹³ = 3800001929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3800010095 and 3800010104.

It is not a weakly prime, because it can be changed into another prime (3800010161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1900005060 + 1900005061.

It is an arithmetic number, because the mean of its divisors is an integer number (1900005061).

Almost surely, 2^3800010121 is an apocalyptic number.

It is an amenable number.

3800010121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3800010121 is an equidigital number, since it uses as much as digits as its factorization.

3800010121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 3800010121 is about 61644.2221217853. Note that the first 3 decimals coincide. The cubic root of 3800010121 is about 1560.4921361213.

The spelling of 3800010121 in words is "three billion, eight hundred million, ten thousand, one hundred twenty-one".