3801258121 has 2 divisors, whose sum is σ = 3801258122. Its totient is φ = 3801258120.

The previous prime is 3801258107. The next prime is 3801258271. The reversal of 3801258121 is 1218521083.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2988152896 + 813105225 = 54664^2 + 28515^2 .

It is a cyclic number.

It is not a de Polignac number, because 3801258121 - 2¹⁵ = 3801225353 is a prime.

It is not a weakly prime, because it can be changed into another prime (3801258521) 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, 1900629060 + 1900629061.

It is an arithmetic number, because the mean of its divisors is an integer number (1900629061).

Almost surely, 2^3801258121 is an apocalyptic number.

It is an amenable number.

3801258121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3801258121 is an equidigital number, since it uses as much as digits as its factorization.

3801258121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 31.

The square root of 3801258121 is about 61654.3438940031. The cubic root of 3801258121 is about 1560.6629497914.

The spelling of 3801258121 in words is "three billion, eight hundred one million, two hundred fifty-eight thousand, one hundred twenty-one".